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Joseph Leung

Title(s)Professor, Gastroenterology and Hepatology
SchoolUniversity of California, Davis
Phone916-734-3751
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Li B, Leung JCK, Chan LYY, Yiu WH, Li Y, Lok SWY, Liu WH, Chan KW, Tse HF, Lai KN, Tang SCW. Amelioration of Endoplasmic Reticulum Stress by Mesenchymal Stem Cells via Hepatocyte Growth Factor/c-Met Signaling in Obesity-Associated Kidney Injury. Stem Cells Transl Med. 2019 Sep; 8(9):898-910. PMID: 31054183.
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    2. Leung FW, Koo M, Cadoni S, Falt P, Hsieh YH, Amato A, Erriu M, Fojtik P, Gallittu P, Hu CT, Leung JW, Liggi M, Paggi S, Radaelli F, Rondonotti E, Smajstrla V, Tseng CW, Urban O. Water Exchange Produces Significantly Higher Adenoma Detection Rate Than Water Immersion: Pooled Data From 2 Multisite Randomized Controlled Trials. J Clin Gastroenterol. 2019 Mar; 53(3):204-209. PMID: 29505552.
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    3. Yue P, Meng WB, Leung JW, Zhang L, Zhu XL, Zhang H, Wang HP, Wang ZF, Zhu KX, Miao L, Zhou WC, Li X. Emergent Endoscopic Retrograde Cholangiopancreatography with Placement of Biliary Double Stents to Salvage Endoscopic Retrograde Cholangiopancreatography-Induced Stapfer's Type II Perforation. Chin Med J (Engl). 2018 10 05; 131(19):2346-2348. PMID: 30246721.
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    4. Leung JCK, Lai KN, Tang SCW. Role of Mesangial-Podocytic-Tubular Cross-Talk in IgA Nephropathy. Semin Nephrol. 2018 09; 38(5):485-495. PMID: 30177020.
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    5. Yiu WH, Li RX, Wong DWL, Wu HJ, Chan KW, Chan LYY, Leung JCK, Lai KN, Sacks SH, Zhou W, Tang SCW. Complement C5a inhibition moderates lipid metabolism and reduces tubulointerstitial fibrosis in diabetic nephropathy. Nephrol Dial Transplant. 2018 08 01; 33(8):1323-1332. PMID: 29294056.
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    6. Wong DWL, Yiu WH, Chan KW, Li Y, Li B, Lok SWY, Taketo MM, Igarashi P, Chan LYY, Leung JCK, Lai KN, Tang SCW. Activated renal tubular Wnt/ß-catenin signaling triggers renal inflammation during overload proteinuria. Kidney Int. 2018 06; 93(6):1367-1383. PMID: 29605095.
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    7. Wu HJ, Yiu WH, Wong DWL, Li RX, Chan LYY, Leung JCK, Zhang Y, Lian Q, Lai KN, Tse HF, Tang SCW. Human induced pluripotent stem cell-derived mesenchymal stem cells prevent adriamycin nephropathy in mice. Oncotarget. 2017 Nov 28; 8(61):103640-103656. PMID: 29262590.
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    8. Kuo YT, Wang HP, Chang CY, Leung JW, Chen JH, Tsai MC, Liao WC. Comparable Long-term Outcomes of 1-Minute vs 5-Minute Endoscopic Papillary Balloon Dilation for Bile Duct Stones. Clin Gastroenterol Hepatol. 2017 Nov; 15(11):1768-1775. PMID: 28603054.
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    9. Wang D, Liu Y, Chen D, Li X, Wu R, Liu W, Leung JW, Zhang C, Li Z. Flexible transgastric endoscopic liver cyst fenestration: A feasibility study in humans (with video). Medicine (Baltimore). 2016 Dec; 95(51):e5420. PMID: 28002325.
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    10. Luo H, Zhao L, Leung J, Zhang R, Liu Z, Wang X, Wang B, Nie Z, Lei T, Li X, Zhou W, Zhang L, Wang Q, Li M, Zhou Y, Liu Q, Sun H, Wang Z, Liang S, Guo X, Tao Q, Wu K, Pan Y, Guo X, Fan D. Routine pre-procedural rectal indometacin versus selective post-procedural rectal indometacin to prevent pancreatitis in patients undergoing endoscopic retrograde cholangiopancreatography: a multicentre, single-blinded, randomised controlled trial. Lancet. 2016 Jun 04; 387(10035):2293-2301. PMID: 27133971.
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    11. Serino G, Pesce F, Sallustio F, De Palma G, Cox SN, Curci C, Zaza G, Lai KN, Leung JC, Tang SC, Papagianni A, Stangou M, Goumenos D, Gerolymos M, Takahashi K, Yuzawa Y, Maruyama S, Imai E, Schena FP. In a retrospective international study, circulating miR-148b and let-7b were found to be serum markers for detecting primary IgA nephropathy. Kidney Int. 2016 Mar; 89(3):683-92. PMID: 26581012.
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    12. Lai KN, Leung JC, Tang SC. Recent advances in the understanding and management of IgA nephropathy. F1000Res. 2016; 5. PMID: 26918170.
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    13. Yiu WH, Wong DW, Wu HJ, Li RX, Yam I, Chan LY, Leung JC, Lan HY, Lai KN, Tang SC. Kallistatin protects against diabetic nephropathy in db/db mice by suppressing AGE-RAGE-induced oxidative stress. Kidney Int. 2016 Feb; 89(2):386-98. PMID: 26536000.
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    14. Zou XP, Leung JW, Li YH, Yao YL, Pei QS, Wu YL, He QB, Cao J, Ding XW. Comparison of sequential pancreatic duct guidewire placement technique and needle knife precut sphincterotomy for difficult biliary cannulation. J Dig Dis. 2015 Dec; 16(12):741-6. PMID: 26562073.
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    15. He Y, Fu K, Leung J, Du Y, Wang J, Jin P, Yu Y, Yu D, Wang X, Sheng J. Traction with dental floss and endoscopic clip improves trainee success in performing gastric endoscopic submucosal dissection (ESD): a live porcine study (with video). Surg Endosc. 2016 07; 30(7):3138-44. PMID: 26511121.
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    16. Leung JC, Chan LY, Saleem MA, Mathieson PW, Tang SC, Lai KN. Combined blockade of angiotensin II and prorenin receptors ameliorates podocytic apoptosis induced by IgA-activated mesangial cells. Apoptosis. 2015 Jul; 20(7):907-20. PMID: 25808596.
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    17. Liu R, Hu B, Li Q, Jing X, Zhong C, Chang Y, Liao Q, Lam MF, Leung JC, Lai KN, Wang Y. Novel genes and variants associated with IgA nephropathy by co-segregating with the disease phenotypes in 10 IgAN families. Gene. 2015 Oct 15; 571(1):43-51. PMID: 26095808.
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    18. Lai KN, Leung JC, Tang SC. The Treatment of IgA Nephropathy. Kidney Dis (Basel). 2015 May; 1(1):19-26. PMID: 27536661.
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    19. Pan Y, Zhao L, Leung J, Zhang R, Luo H, Wang X, Liu Z, Wan B, Tao Q, Yao S, Hui N, Fan D, Wu K, Guo X. Appropriate time for selective biliary cannulation by trainees during ERCP--a randomized trial. Endoscopy. 2015 Aug; 47(8):688-95. PMID: 25750038.
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    20. Li RX, Yiu WH, Wu HJ, Wong DW, Chan LY, Lin M, Leung JC, Lai KN, Tang SC. BMP7 reduces inflammation and oxidative stress in diabetic tubulopathy. Clin Sci (Lond). 2015 Feb; 128(4):269-80. PMID: 25200314.
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    21. Lim AI, Chan LY, Tang SC, Lai KN, Leung JC. Albumin and glycated albumin activate KIM-1 release in tubular epithelial cells through distinct kinetics and mechanisms. Inflamm Res. 2014 Oct; 63(10):831-9. PMID: 25063374.
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    22. Wu HJ, Yiu WH, Li RX, Wong DW, Leung JC, Chan LY, Zhang Y, Lian Q, Lin M, Tse HF, Lai KN, Tang SC. Mesenchymal stem cells modulate albumin-induced renal tubular inflammation and fibrosis. PLoS One. 2014; 9(3):e90883. PMID: 24646687.
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    23. Hu B, Leung JW, Gao DJ, Wang TT, Wu J. Management of benign biliary strictures with a novel retrievable self-expandable metal stent. J Dig Dis. 2014 Mar; 15(3):146-53. PMID: 24528634.
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    24. Yiu WH, Wong DW, Chan LY, Leung JC, Chan KW, Lan HY, Lai KN, Tang SC. Tissue kallikrein mediates pro-inflammatory pathways and activation of protease-activated receptor-4 in proximal tubular epithelial cells. PLoS One. 2014; 9(2):e88894. PMID: 24586431.
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    25. Lim AI, Chan LY, Tang SC, Yiu WH, Li R, Lai KN, Leung JC. BMP-7 represses albumin-induced chemokine synthesis in kidney tubular epithelial cells through destabilization of NF-?B-inducing kinase. Immunol Cell Biol. 2014 May-Jun; 92(5):427-35. PMID: 24418819.
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    26. Leung JW, Siao-Salera R, Abramyan O, Mann SK, Ward G, Yen A, Gutierrez R, Leung FW. Impact of water exchange colonoscopy on serum sodium and potassium levels: an observational study. Dig Dis Sci. 2014 Mar; 59(3):653-7. PMID: 24254340.
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    27. Liao WC, Leung JW, Wang HP, Chang WH, Chu CH, Lin JT, Wilson RE, Lim BS, Leung FW. Coached practice using ERCP mechanical simulator improves trainees' ERCP performance: a randomized controlled trial. Endoscopy. 2013 Oct; 45(10):799-805. PMID: 23897401.
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    28. Lim AI, Tang SC, Lai KN, Leung JC. Kidney injury molecule-1: more than just an injury marker of tubular epithelial cells? J Cell Physiol. 2013 May; 228(5):917-24. PMID: 23086807.
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    29. Yen AW, Leung JW, Leung FW. A novel method with significant impact on adenoma detection: combined water-exchange and cap-assisted colonoscopy. Gastrointest Endosc. 2013 Jun; 77(6):944-8. PMID: 23473001.
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    30. Lin M, Yiu WH, Li RX, Wu HJ, Wong DW, Chan LY, Leung JC, Lai KN, Tang SC. The TLR4 antagonist CRX-526 protects against advanced diabetic nephropathy. Kidney Int. 2013 May; 83(5):887-900. PMID: 23423259.
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    31. Leung FW, Amato A, Ell C, Friedland S, Harker JO, Hsieh YH, Leung JW, Mann SK, Paggi S, Pohl J, Radaelli F, Ramirez FC, Siao-Salera R, Terruzzi V. Water-aided colonoscopy: a systematic review. Gastrointest Endosc. 2012 Sep; 76(3):657-66. PMID: 22898423.
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    32. Liao WC, Tu YK, Wu MS, Wang HP, Lin JT, Leung JW, Chien KL. Balloon dilation with adequate duration is safer than sphincterotomy for extracting bile duct stones: a systematic review and meta-analyses. Clin Gastroenterol Hepatol. 2012 Oct; 10(10):1101-9. PMID: 22642953.
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    33. Luo H, Pan Y, Min L, Zhao L, Li J, Leung J, Xue L, Yin Z, Liu X, Liu Z, Sun A, Li C, Wu K, Guo X, Fan D. Transgastric endoscopic gastroenterostomy using a partially covered occluder: a canine feasibility study. Endoscopy. 2012 May; 44(5):493-8. PMID: 22531984.
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    34. Lim AI, Chan LY, Lai KN, Tang SC, Chow CW, Lam MF, Leung JC. Distinct role of matrix metalloproteinase-3 in kidney injury molecule-1 shedding by kidney proximal tubular epithelial cells. Int J Biochem Cell Biol. 2012 Jun; 44(6):1040-50. PMID: 22484054.
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    35. Leung JC, Chan LY, Lam MF, Tang SC, Chow CW, Lim AI, Lai KN. The role of leptin and its short-form receptor in inflammation in db/db mice infused with peritoneal dialysis fluid. Nephrol Dial Transplant. 2012 Aug; 27(8):3119-29. PMID: 22287654.
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    36. Leung J, Lim B, Ngo C, Lao WC, Wing LY, Hung I, Li M, Leung FW. Head-to-head comparison of practice with endoscopic retrograde cholangiopancreatography computer and mechanical simulators by experienced endoscopists and trainees. Dig Endosc. 2012 May; 24(3):175-81. PMID: 22507092.
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    37. Lai KN, Lam MF, Leung JC, Chan LY, Lam CW, Chan IH, Chan HW, Li CS, Wong SS, Ho YW, Cheuk A, Tong MK, Tang SC. A study of the clinical and biochemical profile of peritoneal dialysis fluid low in glucose degradation products. Perit Dial Int. 2012 May-Jun; 32(3):280-91. PMID: 22045098.
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    38. Lin M, Yiu WH, Wu HJ, Chan LY, Leung JC, Au WS, Chan KW, Lai KN, Tang SC. Toll-like receptor 4 promotes tubular inflammation in diabetic nephropathy. J Am Soc Nephrol. 2012 Jan; 23(1):86-102. PMID: 22021706.
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    39. Leung JC, Chan LY, Tang SC, Lam MF, Chow CW, Lim AI, Lai KN. Oxidative damages in tubular epithelial cells in IgA nephropathy: role of crosstalk between angiotensin II and aldosterone. J Transl Med. 2011 Oct 06; 9:169. PMID: 21974877.
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    40. Tang SC, Leung JC, Lai KN. Immunomodulatory agents against IgA nephropathy. Adv Otorhinolaryngol. 2011; 72:45-9. PMID: 21865687.
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    41. Lai KN, Tang SC, Leung JC. Recent advances in IgA nephropathy--the glomerulopodocytic-tubular communication. Adv Otorhinolaryngol. 2011; 72:40-4. PMID: 21865686.
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    42. Tang SCW, Leung JCK, Lai KN. Diabetic tubulopathy: an emerging entity. Contrib Nephrol. 2011; 170:124-134. PMID: 21659765.
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    43. Tang SC, Leung JCK, Lai KN. The kallikrein-kinin system. Contrib Nephrol. 2011; 170:145-155. PMID: 21659767.
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    44. Lai KN, Leung JCK, Tang SCW. The renin-angiotensin system. Contrib Nephrol. 2011; 170:135-144. PMID: 21659766.
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    45. Leung FW, Leung JW, Mann SK, Friedland S, Ramirez FC. The water method significantly enhances patient-centered outcomes in sedated and unsedated colonoscopy. Endoscopy. 2011 Sep; 43(9):816-21. PMID: 21611947.
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    46. Tang SC, Chan LY, Leung JC, Cheng AS, Lan HY, Lai KN. Additive renoprotective effects of B2-kinin receptor blocker and PPAR-? agonist in uninephrectomized db/db mice. Lab Invest. 2011 Sep; 91(9):1351-62. PMID: 21537328.
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    47. Tang SC, Chan LY, Leung JC, Cheng AS, Lin M, Lan HY, Lai KN. Differential effects of advanced glycation end-products on renal tubular cell inflammation. Nephrology (Carlton). 2011 May; 16(4):417-25. PMID: 21143336.
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    48. Huang W, Gu H, Li R, Lou T, Zhang J, Shi W, Ye Z, Zhou Y, Li C, Xiong S, Li L, Wu C, Leung JC, Lam MF, Lai KN, Wang Y. Association of -27T>C and its haplotype at the putative promoter for IgA-specific receptor gene with IgA nephropathy among the Chinese Han population. Nephrol Dial Transplant. 2011 Aug; 26(8):2537-44. PMID: 21273231.
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    49. Leung J, Mann S, Siao-Salera R, Ransibrahmanakul K, Lim B, Canete W, Samson L, Gutierrez R, Leung FW. A randomized, controlled trial to confirm the beneficial effects of the water method on U.S. veterans undergoing colonoscopy with the option of on-demand sedation. Gastrointest Endosc. 2011 Jan; 73(1):103-10. PMID: 21184876.
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    50. Lai KN, Chan LY, Guo H, Tang SC, Leung JC. Additive effect of PPAR-? agonist and ARB in treatment of experimental IgA nephropathy. Pediatr Nephrol. 2011 Feb; 26(2):257-66. PMID: 21125406.
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    51. Lim BS, Leung JW, Lee J, Yen D, Beckett L, Tancredi D, Leung FW. Effect of ERCP mechanical simulator (EMS) practice on trainees' ERCP performance in the early learning period: US multicenter randomized controlled trial. Am J Gastroenterol. 2011 Feb; 106(2):300-6. PMID: 20978485.
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    52. Liao WC, Lee CT, Chang CY, Leung JW, Chen JH, Tsai MC, Lin JT, Wu MS, Wang HP. Randomized trial of 1-minute versus 5-minute endoscopic balloon dilation for extraction of bile duct stones. Gastrointest Endosc. 2010 Dec; 72(6):1154-62. PMID: 20869710.
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    53. Leung FW, Harker JO, Jackson G, Okamoto KE, Behbahani OM, Jamgotchian NJ, Aharonian HS, Guth PH, Mann SK, Leung JW. A proof-of-principle, prospective, randomized, controlled trial demonstrating improved outcomes in scheduled unsedated colonoscopy by the water method. Gastrointest Endosc. 2010 Oct; 72(4):693-700. PMID: 20619405.
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    54. Tang SC, Leung JC, Chan LY, Cheng AS, Lan HY, Lai KN. Renoprotection by rosiglitazone in accelerated type 2 diabetic nephropathy: Role of STAT1 inhibition and nephrin restoration. Am J Nephrol. 2010; 32(2):145-55. PMID: 20606418.
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    55. Tang SC, Leung VT, Chan LY, Wong SS, Chu DW, Leung JC, Ho YW, Lai KN, Ma L, Elbein SC, Bowden DW, Hicks PJ, Comeau ME, Langefeld CD, Freedman BI. The acetyl-coenzyme A carboxylase beta (ACACB) gene is associated with nephropathy in Chinese patients with type 2 diabetes. Nephrol Dial Transplant. 2010 Dec; 25(12):3931-4. PMID: 20519229.
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    56. Tam KY, Leung JC, Chan LY, Lam MF, Tang SC, Lai KN. In vitro enhanced chemotaxis of CD25+ mononuclear cells in patients with familial IgAN through glomerulotubular interactions. Am J Physiol Renal Physiol. 2010 Aug; 299(2):F359-68. PMID: 20484297.
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    57. Lai KN, Leung JC. Inflammation in peritoneal dialysis. Nephron Clin Pract. 2010; 116(1):c11-8. PMID: 20460934.
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    58. Lai KN, Leung JC. Peritoneal adipocytes and their role in inflammation during peritoneal dialysis. Mediators Inflamm. 2010; 2010:495416. PMID: 20454534.
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    59. Tang SC, Tang AW, Wong SS, Leung JC, Ho YW, Lai KN. Long-term study of mycophenolate mofetil treatment in IgA nephropathy. Kidney Int. 2010 Mar; 77(6):543-9. PMID: 20032964.
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    60. Lou T, Zhang J, Gale DP, Rees AJ, Rhodes B, Feehally J, Li C, Li Y, Li R, Huang W, Hu B, Leung JC, Lam MF, Lai KN, Wang Y, Maxwell PH. Variation in IGHMBP2 is not associated with IgA nephropathy in independent studies of UK Caucasian and Chinese Han patients. Nephrol Dial Transplant. 2010 May; 25(5):1547-54. PMID: 20031928.
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    61. Tang SC, Chan LY, Leung JC, Cheng AS, Chan KW, Lan HY, Lai KN. Bradykinin and high glucose promote renal tubular inflammation. Nephrol Dial Transplant. 2010 Mar; 25(3):698-710. PMID: 19923143.
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    62. Leung JW, Mann SK, Siao-Salera R, Ransibrahmanakul K, Lim B, Cabrera H, Canete W, Barredo P, Gutierrez R, Leung FW. A randomized, controlled comparison of warm water infusion in lieu of air insufflation versus air insufflation for aiding colonoscopy insertion in sedated patients undergoing colorectal cancer screening and surveillance. Gastrointest Endosc. 2009 Sep; 70(3):505-10. PMID: 19555938.
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    63. Li R, Xue C, Li C, Lou T, Tao Y, Li Y, Huang W, Zhang J, Leung JC, Lam MF, Vyse TJ, Lai KN, Wu C, Wang Y. TRAC variants associate with IgA nephropathy. J Am Soc Nephrol. 2009 Jun; 20(6):1359-67. PMID: 19470682.
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    64. Xiao J, Leung JC, Chan LY, Tang SC, Lai KN. Crosstalk between peroxisome proliferator-activated receptor-gamma and angiotensin II in renal tubular epithelial cells in IgA nephropathy. Clin Immunol. 2009 Aug; 132(2):266-76. PMID: 19443277.
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    65. Tam KY, Leung JCK, Chan LYY, Lam MF, Tang SCW, Lai KN. Macromolecular IgA1 taken from patients with familial IgA nephropathy or their asymptomatic relatives have higher reactivity to mesangial cells in vitro. Kidney Int. 2009 Jun; 75(12):1330-1339. PMID: 19340088.
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    66. Lim BS, Leung J. Wire for hire? The impact of wire-guided cannulation in ERCP. Gastrointest Endosc. 2009 Mar; 69(3 Pt 1):450-2. PMID: 19231486.
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    67. Leung FW, Aharonian HS, Leung JW, Guth PH, Jackson G. Impact of a novel water method on scheduled unsedated colonoscopy in U.S. veterans. Gastrointest Endosc. 2009 Mar; 69(3 Pt 1):546-50. PMID: 19231497.
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    68. Xiao J, Leung JC, Chan LY, Guo H, Lai KN. Protective effect of peroxisome proliferator-activated receptor-gamma agonists on activated renal proximal tubular epithelial cells in IgA nephropathy. Nephrol Dial Transplant. 2009 Jul; 24(7):2067-77. PMID: 19155534.
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    69. Leung JC, Lam MF, Tang SC, Chan LY, Tam KY, Yip TP, Lai KN. Roles of neutrophil gelatinase-associated lipocalin in continuous ambulatory peritoneal dialysis-related peritonitis. J Clin Immunol. 2009 May; 29(3):365-78. PMID: 19148711.
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    70. Liao Z, Li ZS, Leung JW, Zhang X, Zhang ST, Ji M, Fan ZN, Zhi FC, Li YM, Chen XX, Lu L, Ren X, Jia GF, Huang LY, Lv NH, Xie WF, Ge ZZ, Chao WS. How safe and successful are live demonstrations of therapeutic ERCP? A large multicenter study. Am J Gastroenterol. 2009 Jan; 104(1):47-52. PMID: 19098848.
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    71. Liao Z, Li ZS, Leung JW, Zou XP, He LP, Jia GF, Huang Q, Ji M, Huang LY, Chao WS. Success rate and complications of ERCP performed during hands-on training courses: a multicenter study in China. Gastrointest Endosc. 2009 Feb; 69(2):230-7. PMID: 19100980.
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    72. Leung JW, Lee W, Wilson R, Lim BS, Leung FW. Comparison of accessory performance using a novel ERCP mechanical simulator. Endoscopy. 2008 Dec; 40(12):983-8. PMID: 19065479.
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    73. Leung JW, Salera R, Toomsen L, Mann S, Leung FW. Pilot feasibility study of the method of water infusion without air insufflation in sedated colonoscopy. Dig Dis Sci. 2009 Sep; 54(9):1997-2001. PMID: 19058003.
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    74. Leung JC, Chan LY, Tam KY, Tang SC, Lam MF, Cheng AS, Chu KM, Lai KN. Regulation of CCN2/CTGF and related cytokines in cultured peritoneal cells under conditions simulating peritoneal dialysis. Nephrol Dial Transplant. 2009 Feb; 24(2):458-69. PMID: 18805993.
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    75. Lai KN, Leung JC, Chan LY, Saleem MA, Mathieson PW, Tam KY, Xiao J, Lai FM, Tang SC. Podocyte injury induced by mesangial-derived cytokines in IgA nephropathy. Nephrol Dial Transplant. 2009 Jan; 24(1):62-72. PMID: 18685143.
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    76. Lam MF, Leung JC, Lam CW, Tse KC, Lo WK, Lui SL, Chan TM, Tam S, Lai KN. Procalcitonin fails to differentiate inflammatory status or predict long-term outcomes in peritoneal dialysis-associated peritonitis. Perit Dial Int. 2008 Jul-Aug; 28(4):377-84. PMID: 18556380.
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    77. Chan WL, Leung JC, Chan LY, Tam KY, Tang SC, Lai KN. BMP-7 protects mesangial cells from injury by polymeric IgA. Kidney Int. 2008 Oct; 74(8):1026-39. PMID: 18496506.
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    78. Cheung JS, Guo H, Leung JC, Man K, Lai KN, Wu EX. MRI visualization of rodent liver structure and peritoneal adhesion with dialyzate enhancement. Magn Reson Med. 2008 May; 59(5):1170-4. PMID: 18429030.
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    79. Leung J, Foster E. How do we ensure that trainees learn to perform biliary sphincterotomy safely, appropriately, and effectively? Curr Gastroenterol Rep. 2008 Apr; 10(2):163-8. PMID: 18462603.
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    80. Leung FW, Mann SK, Salera R, Toomsen L, Cabrera H, Prather D, Gutierrez R, Leung JW. Options for screening colonoscopy without sedation: sequel to a pilot study in U.S. veterans. Gastrointest Endosc. 2008 Apr; 67(4):712-7. PMID: 18279868.
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    81. Lai KN, Leung JC, Chan LY, Saleem MA, Mathieson PW, Lai FM, Tang SC. Activation of podocytes by mesangial-derived TNF-alpha: glomerulo-podocytic communication in IgA nephropathy. Am J Physiol Renal Physiol. 2008 Apr; 294(4):F945-55. PMID: 18256312.
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    82. Leung JC, Chan LY, Tang SC, Tam PC, Fenn J, Lai KN. Glycosylation profile of differently charged IgA1 and their binding characteristics to cultured mesangial cells in IgA nephropathy. Nephron Exp Nephrol. 2007; 107(3):e107-18. PMID: 17957128.
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    83. Leung JC, Tang SC, Chan LY, Chan WL, Lai KN. Synthesis of TNF-alpha by mesangial cells cultured with polymeric anionic IgA--role of MAPK and NF-kappaB. Nephrol Dial Transplant. 2008 Jan; 23(1):72-81. PMID: 17898021.
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    84. Guo H, Leung JC, Lam MF, Chan LY, Tsang AW, Lan HY, Lai KN. Smad7 transgene attenuates peritoneal fibrosis in uremic rats treated with peritoneal dialysis. J Am Soc Nephrol. 2007 Oct; 18(10):2689-703. PMID: 17855642.
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    85. Leung JW, Mann S, Leung FW. Options for screening colonoscopy without sedation: a pilot study in United States veterans. Aliment Pharmacol Ther. 2007 Aug 15; 26(4):627-31. PMID: 17661766.
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    86. Foster EN, Leung JW. Variants of the Santorini duct: a cause of pancreatitis? Pancreas. 2007 Jul; 35(1):103-5. PMID: 17575555.
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    87. Leung JW, Lee JG, Rojany M, Wilson R, Leung FW. Development of a novel ERCP mechanical simulator. Gastrointest Endosc. 2007 Jun; 65(7):1056-62. PMID: 17531642.
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    88. Lai KN, Tang SC, Leung JC. Mediators of inflammation and fibrosis. Perit Dial Int. 2007 Jun; 27 Suppl 2:S65-71. PMID: 17556333.
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    89. Leung FW, Go VL, Scremin OU, Obenaus A, Tuck ML, Golub MS, Eggena P, Leung JW. Pilot studies to demonstrate that intestinal mucosal afferent nerves are functionally linked to visceral adipose tissue. Dig Dis Sci. 2007 Oct; 52(10):2695-702. PMID: 17393331.
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    90. Lam MF, Leung JC, Lo WK, Tam S, Chong MC, Lui SL, Tse KC, Chan TM, Lai KN. Hyperleptinaemia and chronic inflammation after peritonitis predicts poor nutritional status and mortality in patients on peritoneal dialysis. Nephrol Dial Transplant. 2007 May; 22(5):1445-50. PMID: 17277343.
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    91. Foster E, Leung J. Pharmacotherapy for the prevention of post-ERCP pancreatitis. Am J Gastroenterol. 2007 Jan; 102(1):52-5. PMID: 17266688.
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    92. Chan HH, Yang CH, Leung JC, Wei WI, Lai KN. An animal study of the effects on p16 and PCNA expression of repeated treatment with high-energy laser and intense pulsed light exposure. Lasers Surg Med. 2007 Jan; 39(1):8-13. PMID: 17115383.
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    93. Leung JW, Leung FW. Papillotomy Performance Scoring Scale--a pilot validation study focused on the cut axis. Aliment Pharmacol Ther. 2006 Jul 15; 24(2):307-12. PMID: 16842457.
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    94. Leung J, Rahim N. The role of covered self-expandable metallic stents in malignant biliary strictures. Gastrointest Endosc. 2006 Jun; 63(7):1001-3. PMID: 16733116.
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    95. Tang SC, Leung JC, Chan LY, Tsang AW, Lai KN. Activation of tubular epithelial cells in diabetic nephropathy and the role of the peroxisome proliferator-activated receptor-gamma agonist. J Am Soc Nephrol. 2006 Jun; 17(6):1633-43. PMID: 16687627.
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    96. Lee JG, Lum D, Urayama S, Mann S, Saavedra S, Vigil H, Vilaysak C, Leung JW, Leung FW. Extended flexible sigmoidoscopy performed by colonoscopists for colorectal cancer screening: a pilot study. Aliment Pharmacol Ther. 2006 Apr 01; 23(7):945-51. PMID: 16573797.
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    97. Lai KN, Chan LY, Tang SC, Leung JC. Ganoderma extract prevents albumin-induced oxidative damage and chemokines synthesis in cultured human proximal tubular epithelial cells. Nephrol Dial Transplant. 2006 May; 21(5):1188-97. PMID: 16434408.
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    98. Xia Y, Li Y, Du Y, Yang N, Li C, Leung JC, Lam MF, Huang W, Chen S, Maxwell PH, Lai KN, Wang Y. Association of MEGSIN 2093C-2180T haplotype at the 3' untranslated region with disease severity and progression of IgA nephropathy. Nephrol Dial Transplant. 2006 Jun; 21(6):1570-4. PMID: 16431886.
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    99. Tu RH, Grewall P, Leung JW, Suryaprasad AG, Sheykhzadeh PI, Doan C, Garcia JC, Zhang N, Prindiville T, Mann S, Trudeau W. Diphenhydramine as an adjunct to sedation for colonoscopy: a double-blind randomized, placebo-controlled study. Gastrointest Endosc. 2006 Jan; 63(1):87-94. PMID: 16377322.
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    100. Green BT, Rockey DC, Portwood G, Tarnasky PR, Guarisco S, Branch MS, Leung J, Jowell P. Urgent colonoscopy for evaluation and management of acute lower gastrointestinal hemorrhage: a randomized controlled trial. Am J Gastroenterol. 2005 Nov; 100(11):2395-402. PMID: 16279891.
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    101. Tang S, Lai FM, Lui YH, Tang CS, Kung NN, Ho YW, Chan KW, Leung JC, Lai KN. Lamivudine in hepatitis B-associated membranous nephropathy. Kidney Int. 2005 Oct; 68(4):1750-8. PMID: 16164651.
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    102. Leung AY, Leung JC, Chan LY, Ma ES, Kwan TT, Lai KN, Meng A, Liang R. Proliferating cell nuclear antigen (PCNA) as a proliferative marker during embryonic and adult zebrafish hematopoiesis. Histochem Cell Biol. 2005 Aug; 124(2):105-11. PMID: 16028068.
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    103. Lam MF, Leung JC, Tang CC, Lo WK, Tse KC, Yip TP, Lui SL, Chan TM, Lai KN. Mannose binding lectin level and polymorphism in patients on long-term peritoneal dialysis. Nephrol Dial Transplant. 2005 Nov; 20(11):2489-96. PMID: 16115848.
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    104. Tang S, Leung JC, Chan LY, Lui YH, Tang CS, Kan CH, Ho YW, Lai KN. Mycophenolate mofetil alleviates persistent proteinuria in IgA nephropathy. Kidney Int. 2005 Aug; 68(2):802-12. PMID: 16014059.
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    105. Chan LY, Leung JC, Tang SC, Choy CB, Lai KN. Tubular expression of angiotensin II receptors and their regulation in IgA nephropathy. J Am Soc Nephrol. 2005 Aug; 16(8):2306-17. PMID: 15930094.
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    106. Leung JC, Chan LY, Li FF, Tang SC, Chan KW, Chan TM, Lam MF, Wieslander A, Lai KN. Glucose degradation products downregulate ZO-1 expression in human peritoneal mesothelial cells: the role of VEGF. Nephrol Dial Transplant. 2005 Jul; 20(7):1336-49. PMID: 15814533.
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    107. Lai KN, Chan LY, Leung JC. Mechanisms of tubulointerstitial injury in IgA nephropathy. Kidney Int Suppl. 2005 Apr; (94):S110-5. PMID: 15752226.
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    108. Chan LY, Leung JC, Tsang AW, Tang SC, Lai KN. Activation of tubular epithelial cells by mesangial-derived TNF-alpha: glomerulotubular communication in IgA nephropathy. Kidney Int. 2005 Feb; 67(2):602-12. PMID: 15673307.
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    109. Mann NS, Leung JW. Pathogenesis of esophageal rings in eosinophilic esophagitis. Med Hypotheses. 2005; 64(3):520-3. PMID: 15617859.
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    110. Zhong Q, Leung JC, Chan LY, Tsang AW, Chen X, Lai KN. The study of Chinese medicinal herbal formula Shen San Fang in the treatment of experimental IgA nephropathy. Am J Chin Med. 2005; 33(4):613-26. PMID: 16173535.
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    111. Chan LY, Leung JC, Lai KN. Novel mechanisms of tubulointerstitial injury in IgA nephropathy: a new therapeutic paradigm in the prevention of progressive renal failure. Clin Exp Nephrol. 2004 Dec; 8(4):297-303. PMID: 15619027.
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    112. Lai KN, Chan LY, Tang SC, Tsang AW, Li FF, Lam MF, Lui SL, Leung JC. Mesangial expression of angiotensin II receptor in IgA nephropathy and its regulation by polymeric IgA1. Kidney Int. 2004 Oct; 66(4):1403-16. PMID: 15458433.
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    113. Li YJ, Du Y, Li CX, Guo H, Leung JC, Lam MF, Yang N, Huang F, Chen Y, Fang JQ, Maxwell PH, Lai KN, Wang Y. Family-based association study showing that immunoglobulin A nephropathy is associated with the polymorphisms 2093C and 2180T in the 3' untranslated region of the Megsin gene. J Am Soc Nephrol. 2004 Jul; 15(7):1739-43. PMID: 15213261.
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    114. Leung JC, Chan LY, Tsang AW, Liu EW, Lam MF, Tang SC, Lai KN. Anti-macrophage migration inhibitory factor reduces transforming growth factor-beta 1 expression in experimental IgA nephropathy. Nephrol Dial Transplant. 2004 Aug; 19(8):1976-85. PMID: 15187193.
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    115. Leung JW, Tu R. Mechanical lithotripsy for large bile duct stones. Gastrointest Endosc. 2004 May; 59(6):688-90. PMID: 15114312.
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    116. Yu CM, Wing-Hon Lai K, Li PS, Lam KY, Leung JC, Lai KN. Normalization of renal aquaporin-2 water channel expression by fosinopril, valsartan, and combination therapy in congestive heart failure: a new mechanism of action. J Mol Cell Cardiol. 2004 Mar; 36(3):445-53. PMID: 15010283.
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    117. Lai KN, Tang SC, Guh JY, Chuang TD, Lam MF, Chan LY, Tsang AW, Leung JC. Polymeric IgA1 from patients with IgA nephropathy upregulates transforming growth factor-beta synthesis and signal transduction in human mesangial cells via the renin-angiotensin system. J Am Soc Nephrol. 2003 Dec; 14(12):3127-37. PMID: 14638911.
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    118. Lai KN, Lam MF, Leung JC. Peritoneal function: the role of aquaporins. Perit Dial Int. 2003 Dec; 23 Suppl 2:S20-5. PMID: 17986548.
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    119. Leung JW. Does the addition of endoscopic sphincterotomy to stent insertion improve drainage of the bile duct in acute suppurative cholangitis? Gastrointest Endosc. 2003 Oct; 58(4):570-2. PMID: 14520292.
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    120. Lai KN, Leung JC, Metz CN, Lai FM, Bucala R, Lan HY. Role for macrophage migration inhibitory factor in acute respiratory distress syndrome. J Pathol. 2003 Apr; 199(4):496-508. PMID: 12635141.
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    121. Cotton PB, Connor P, McGee D, Jowell P, Nickl N, Schutz S, Leung J, Lee J, Libby E. Colonoscopy: practice variation among 69 hospital-based endoscopists. Gastrointest Endosc. 2003 Mar; 57(3):352-7. PMID: 12612515.
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    122. Leung FW, Iwata F, Seno K, Leung JW. Acid-induced mesenteric hyperemia in rats: role of CGRP, substance P, prostaglandin, adenosine, and histamine. Dig Dis Sci. 2003 Mar; 48(3):523-32. PMID: 12757165.
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    123. Tang S, Leung JC, Abe K, Chan KW, Chan LY, Chan TM, Lai KN. Albumin stimulates interleukin-8 expression in proximal tubular epithelial cells in vitro and in vivo. J Clin Invest. 2003 Feb; 111(4):515-27. PMID: 12588890.
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    124. Leung J, Vallero R, Wilson R. Surveillance cultures to monitor quality of gastrointestinal endoscope reprocessing. Am J Gastroenterol. 2003 Jan; 98(1):3-5. PMID: 12526927.
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    125. Mann NS, Condon DS, Leung JW. Colonic preparation correlates with fasting breath hydrogen in patients undergoing colonoscopy. Hepatogastroenterology. 2003 Jan-Feb; 50(49):85-6. PMID: 12629997.
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    126. Chan HH, Xiang L, Leung JC, Tsang KW, Lai KN. In vitro study examining the effect of sub-lethal QS 755 nm lasers on the expression of p16INK4a on melanoma cell lines. Lasers Surg Med. 2003; 32(2):88-93. PMID: 12561040.
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    127. Leung JC, Tang SC, Chan LY, Tsang AW, Lan HY, Lai KN. Polymeric IgA increases the synthesis of macrophage migration inhibitory factor by human mesangial cells in IgA nephropathy. Nephrol Dial Transplant. 2003 Jan; 18(1):36-45. PMID: 12480958.
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    128. Leung JC, Tsang AW, Chan LY, Tang SC, Lam MF, Lai KN. Size-dependent binding of IgA to HepG2, U937, and human mesangial cells. J Lab Clin Med. 2002 Dec; 140(6):398-406. PMID: 12486407.
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    129. Leung J, Chin A. Amebic colitis. Gastrointest Endosc. 2002 Nov; 56(5):732. PMID: 12397284.
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    130. Leung FW, Iwata F, Kao J, Seno K, Itoh M, Leung JW. Ruthenium red-sensitive cation channels, but not calcitonin gene-related peptide or substance P-mediated mechanisms, protect duodenal villi against acid-induced damage. Life Sci. 2002 Oct 18; 71(22):2617-24. PMID: 12354580.
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    131. Lai KN, Leung JC, Chan LY, Tang S, Li FK, Lui SL, Chan TM. Expression of aquaporin-3 in human peritoneal mesothelial cells and its up-regulation by glucose in vitro. Kidney Int. 2002 Oct; 62(4):1431-9. PMID: 12234316.
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    132. Lai KN, Chan LY, Tang SC, Tsang AW, Guo H, Tse KC, Yip T, Leung JC. Characteristics of polymeric lambda-IgA binding to leukocytes in IgA nephropathy. J Am Soc Nephrol. 2002 Sep; 13(9):2309-19. PMID: 12191975.
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    133. Schutz SM, Leung JW. Pancreatic endotherapy for pseudocysts and fluid collections. Gastrointest Endosc. 2002 Jul; 56(1):150-2. PMID: 12085059.
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    134. Leung JW, Liu YL, Chan RC, Ling TK, Cheng AF. Effects of adherence factors and human bile on bacterial attachment and biliary stent blockage: an in vitro study. Gastrointest Endosc. 2002 Jul; 56(1):72-7. PMID: 12085038.
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    135. Lee JG, Leung JW. Colonoscopic diagnosis of unsuspected diverticulosis. Gastrointest Endosc. 2002 May; 55(6):746-8. PMID: 11979265.
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    136. Tang S, Leung JC, Tsang AW, Lan HY, Chan TM, Lai KN. Transferrin up-regulates chemokine synthesis by human proximal tubular epithelial cells: implication on mechanism of tubuloglomerular communication in glomerulopathic proteinura. Kidney Int. 2002 May; 61(5):1655-65. PMID: 11967015.
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    137. Mulcahy HE, Patel RS, Postic G, Eloubeidi MA, Vaughan JA, Wallace M, Barkun A, Jowell PS, Leung J, Libby E, Nickl N, Schutz S, Cotton PB. Yield of colonoscopy in patients with nonacute rectal bleeding: a multicenter database study of 1766 patients. Am J Gastroenterol. 2002 Feb; 97(2):328-33. PMID: 11866269.
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    138. Leung FW, Iwata F, Kao J, Seno K, Itoh M, Leung JW. Role of bradykinin in acid-induced mesenteric hyperemia and duodenal villous damage. Life Sci. 2002 Jan 04; 70(7):779-90. PMID: 11837250.
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    139. Leung JC, Tang SC, Chan DT, Lui SL, Lai KN. Increased sialylation of polymeric lambda-IgA1 in patients with IgA nephropathy. J Clin Lab Anal. 2002; 16(1):11-9. PMID: 11835525.
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    140. Mann NS, Leung JW. Circadian variation in portal pressure: appropriate use of non-selective beta blockers in the prevention of variceal bleed. Med Hypotheses. 2001 Oct; 57(4):423-5. PMID: 11601861.
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    141. Jackson FW. CO2 is easy. Am J Gastroenterol. 2001 Oct; 96(10):3035-6. PMID: 11693348.
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    142. Leung JW, Neuhaus H, Chopita N. Mechanical lithotripsy in the common bile duct. Endoscopy. 2001 Sep; 33(9):800-4. PMID: 11561560.
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    143. Lee JG, Leung JW. Successful colonoscopic diagnosis of cecal cancer after failed barium enema. Am J Gastroenterol. 2001 Sep; 96(9):2795-6. PMID: 11569718.
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    144. Leung JW, Liu YL, Lau GC, Chan RC, Lai AC, Ling TK, Cheng AF. Bacteriologic analyses of bile and brown pigment stones in patients with acute cholangitis. Gastrointest Endosc. 2001 Sep; 54(3):340-5. PMID: 11522975.
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    145. Leung JW, Liu YL, Leung PS, Chan RC, Inciardi JF, Cheng AF. Expression of bacterial beta-glucuronidase in human bile: an in vitro study. Gastrointest Endosc. 2001 Sep; 54(3):346-50. PMID: 11522976.
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    146. Lee JG, Leung JW. Long-term follow-up after biliary stent placement for postoperative bile duct stenosis. Gastrointest Endosc. 2001 Aug; 54(2):272-4. PMID: 11474414.
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    147. Wallace MB, Durkalski VL, Vaughan J, Palesch YY, Libby ED, Jowell PS, Nickl NJ, Schutz SM, Leung JW, Cotton PB. Age and alarm symptoms do not predict endoscopic findings among patients with dyspepsia: a multicentre database study. Gut. 2001 Jul; 49(1):29-34. PMID: 11413107.
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    148. Leung FW, Golub M, Tuck M, Yip I, Leung JW, Go VL. Stimulation of intestinal mucosal afferent nerves increases superior mesenteric artery and decreases mesenteric adipose tissue blood flow. Dig Dis Sci. 2001 Jun; 46(6):1217-22. PMID: 11414297.
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    149. Boulay F, Berthier F, Tran A. Seasonal variations in variceal bleeding mortality and hospitalization in France. Am J Gastroenterol. 2001 Jun; 96(6):1881-7. PMID: 11419844.
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    150. Leung JW, Liu Y, Cheung S, Chan RC, Inciardi JF, Cheng AF. Effect of antibiotic-loaded hydrophilic stent in the prevention of bacterial adherence: a study of the charge, discharge, and recharge concept using ciprofloxacin. Gastrointest Endosc. 2001 Apr; 53(4):431-7. PMID: 11275882.
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    151. Lum DF, Leung JW. Bacterial Cholangitis. Curr Treat Options Gastroenterol. 2001 Apr; 4(2):139-146. PMID: 11469972.
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    152. Lee JG, Leung JW. Recurrent ulcer bleeding: is the hemoclip an answer? Gastrointest Endosc. 2001 Feb; 53(2):256-8. PMID: 11174314.
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    153. Lee JG, Vigil H, Leung JW. A randomized controlled trial of total colonic decompression after colonoscopy to improve patient comfort. Am J Gastroenterol. 2001 Jan; 96(1):95-100. PMID: 11197295.
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    154. Leung JW, Liu Y, Chan RC, Tang Y, Mina Y, Cheng AF, Silva J. Early attachment of anaerobic bacteria may play an important role in biliary stent blockage. Gastrointest Endosc. 2000 Dec; 52(6):725-9. PMID: 11115903.
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    155. Leung JW. Reprocessing of flexible endoscopes. J Gastroenterol Hepatol. 2000 Oct; 15 Suppl:G73-7. PMID: 11100997.
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    156. Lee JG, Low AH, Leung JW. Randomized comparative study of indocyanine green and India ink for colonic tattooing: an animal survival study. J Clin Gastroenterol. 2000 Oct; 31(3):233-6. PMID: 11034004.
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    157. Liu Y, Lam K, Tang YJ, Gumerlock PH, Lee DK, Kim MH, Lee SP, Silva J, Leung JW. Anaerobic bacteria and intrahepatic stones: detections of Clostridium sp. and Bacteroides fragilis. Chin Med J (Engl). 2000 Sep; 113(9):858-61. PMID: 11776087.
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    158. Lee JG, Hsu R, Leung JW. Are self-expanding metal mesh stents useful in the treatment of benign esophageal stenoses and fistulas? An experience of four cases. Am J Gastroenterol. 2000 Aug; 95(8):1920-5. PMID: 10950036.
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    159. Leung J, Chao W, Lee W. Hands-on ERCP training workshops: an experience with teaching endoscopists in China. Gastrointest Endosc. 2000 Aug; 52(2):306-9. PMID: 10922120.
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    160. Lee JG, Leung JW. The pitfall of relying on the abdominal radiograph to determine stent function after palliation of malignant colonic obstruction using a self-expanding metal stent. Am J Gastroenterol. 2000 Aug; 95(8):2107-9. PMID: 10950067.
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    161. Leung JW, Libby ED, Morck DW, McKay SG, Liu Yl, Lam K, Olson ME. Is prophylactic ciprofloxacin effective in delaying biliary stent blockage? Gastrointest Endosc. 2000 Aug; 52(2):175-82. PMID: 10922087.
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    162. Leung FW, Heng MC, Allen S, Seno K, Leung JW, Heng MK. Involvement of luminal bacteria, heat shock protein 60, macrophages and gammadelta T cells in dextran sulfate sodium-induced colitis in rats. Dig Dis Sci. 2000 Jul; 45(7):1472-9. PMID: 10961733.
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    163. Nelson DB, Bosco JJ, Curtis WD, Faigel DO, Kelsey PB, Leung JW, Mills MR, Smith P, Tarnasky PR, VanDam J, Wang KK, Wassef WY. Technology status evaluation report: endoscopy simulators: May 1999. Gastrointest Endosc. 2000 Jun; 51(6):790-2. PMID: 10840337.
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    164. Hsu RK, Draganov P, Leung JW, Tarnasky PR, Yu AS, Hawes RH, Cunningham JT, Cotton PB. Therapeutic ERCP in the management of pancreatitis in children. Gastrointest Endosc. 2000 Apr; 51(4 Pt 1):396-400. PMID: 10744808.
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    165. Leung JW, Liu YL, Desta TD, Libby ED, Inciardi JF, Lam K. In vitro evaluation of antibiotic prophylaxis in the prevention of biliary stent blockage. Gastrointest Endosc. 2000 Mar; 51(3):296-303. PMID: 10699774.
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    166. Lee JG, Leung JW. Pharyngeal stromal tumor. Gastrointest Endosc. 2000 Mar; 51(3):328. PMID: 10699780.
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    167. Lee JG, Leung JW. Stigmata of recent hemorrhage in Dieulafoy's lesion. Gastrointest Endosc. 2000 Feb; 51(2):191. PMID: 10650263.
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    168. Hosseini M, Lee JG, Romano P, Hosseini S, Leung J. Educational experiences and quality of life of gastroenterology fellows in the United States. Am J Gastroenterol. 1999 Dec; 94(12):3601-12. PMID: 10606326.
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    169. Nelson DB, Bosco JJ, Curtis WD, Faigel DO, Kelsey PB, Laing K, Leung JW, Mills MR, Smith P, Tarnasky PR, VanDam J, Wassef WY. ASGE Technology status evaluation report. Automatic endoscope reprocessors. February 1999. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Dec; 50(6):925-7. PMID: 10644193.
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    170. Lee JG, Turnipseed S, Romano PS, Vigil H, Azari R, Melnikoff N, Hsu R, Kirk D, Sokolove P, Leung JW. Endoscopy-based triage significantly reduces hospitalization rates and costs of treating upper GI bleeding: a randomized controlled trial. Gastrointest Endosc. 1999 Dec; 50(6):755-61. PMID: 10570332.
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    171. Nelson DB, Bosco JJ, Curtis WD, Faigel DO, Kelsey PB, Leung JW, Mills MR, Smith P, Tarnasky PR, VanDam J, Wassef WY. ASGE technology status evaluation report. Injection needles. February 1999. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Dec; 50(6):928-31. PMID: 10644194.
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    172. Nelson DB, Bosco JJ, Curtis WD, Faigel DO, Kelsey PB, Leung JW, Mills MR, Smith P, Tarnasky PR, VanDam J, Wassef WY. ASGE technology status evaluation report. Endoscopic retrieval devices. February 1999. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Dec; 50(6):932-4. PMID: 10644195.
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    173. Nelson DB, Bosco JJ, Curtis WD, Faigel DO, Kelsey PB, Leung JW, Mills MR, Smith P, Tarnasky PR, VanDam J, Wang KK, Wassef WY. ASGE technology evaluation report. Endoscopy simulators. May 1999. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Dec; 50(6):935-7. PMID: 10644196.
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    174. Nelson DB, Bosco JJ, Curtis WD, Faigel DO, Kelsey PB, Leung JW, Mills MR, Smith P, Tarnasky PR, VanDam J, Wang KK, Wassef WY. ASGE technology status evaluation report. Biliary stents. Update May 1999. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Dec; 50(6):938-42. PMID: 10644197.
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    175. Low AH, Lee JG, Leung JW. Endoscopic mucosal resection with a cap-fitted endoscope versus freehand gastric mucosectomy in an animal model. Gastrointest Endosc. 1999 Nov; 50(5):608-12. PMID: 10536313.
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    176. Nelson DB, Bosco JJ, Curtis WD, Faigel DO, Kelsey PB, Leung JW, Mills MR, Smith P, Tarnasky PR, VanDam J, Wassef WY. Technology status evaluation: sheathed endoscopes: November 1998. From the ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Jun; 49(6):862-4. PMID: 10343252.
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    177. Carr-Locke DL, Conn MI, Faigel DO, Laing K, Leung JW, Mills MR, Nelson DB, Tarnasky PR, Waxman I. Technology status evaluation: magnetic resonance cholangiopancreatography: November 1998. From the ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Jun; 49(6):858-61. PMID: 10343251.
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    178. Carr-Locke DL, Conn MI, Faigel DO, Laing K, Leung JW, Mills MR, Nelson DB, Smith P, Tarnasky PR, Waxman I. Technology status evaluation: personal protective equipment: November 1998. From the ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1999 Jun; 49(6):854-7. PMID: 10343250.
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    179. Technology status evaluation: developments in laser technology: November 1997. ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1998 Dec; 48(6):711-6. PMID: 9852483.
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    180. Technology status evaluation: endoscopic pancreatic therapy: update May 1998. ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1998 Dec; 48(6):723-6. PMID: 9852485.
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    181. Desta TT, Man KM, Bouvier D, Leung JW. Choledocho-enteric fistula due to Mycobacterium tuberculosis in a patient with acquired immunodeficiency syndrome. Gastrointest Endosc. 1998 Dec; 48(6):623-6. PMID: 9852455.
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    182. Technology status evaluation: device reprocessing companies: May 1998. ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1998 Dec; 48(6):717-22. PMID: 9852484.
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    183. Technology status evaluation: virtual colonoscopy: November 1997. ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1998 Dec; 48(6):708-10. PMID: 9852482.
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    184. Technology status evaluation: endoscopic ultrasonography: update November 1997. ASGE. American Society for Gastrointestinal Endoscopy. Gastrointest Endosc. 1998 Dec; 48(6):705-7. PMID: 9852481.
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    185. Leung JW, Liu YL, Desta T, Libby E, Inciardi JF, Lam K. Is there a synergistic effect between mixed bacterial infection in biofilm formation on biliary stents? Gastrointest Endosc. 1998 Sep; 48(3):250-7. PMID: 9744599.
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    186. Lau JY, Chung SC, Leung JW, Lo KK, Yung MY, Li AK. The evolution of stigmata of hemorrhage in bleeding peptic ulcers: a sequential endoscopic study. Endoscopy. 1998 Aug; 30(6):513-8. PMID: 9746158.
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    187. Chan AC, Ng EK, Chung SC, Lai CW, Lau JY, Sung JJ, Leung JW, Li AK. Common bile duct stones become smaller after endoscopic biliary stenting. Endoscopy. 1998 May; 30(4):356-9. PMID: 9689508.
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    188. Seno K, Iwata F, Lam K, Leung JW, Leung FW. Mechanism of acid-induced mesenteric hyperemia in rats. Life Sci. 1998; 63(18):1653-62. PMID: 9806218.
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    189. Lee JG, Leung JW. Biliary stents--plastic or metal? Gastrointest Endosc. 1998 Jan; 47(1):90-1. PMID: 9468433.
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    190. Lee JG, Leung J. Tissue sampling at ERCP in suspected pancreatic cancer. Gastrointest Endosc Clin N Am. 1998 Jan; 8(1):221-35. PMID: 9405759.
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    191. Leung JW, Yu AS. Hepatolithiasis and biliary parasites. Baillieres Clin Gastroenterol. 1997 Dec; 11(4):681-706. PMID: 9512805.
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    192. Lau JY, Leung JW. Injection therapy for bleeding peptic ulcers. Gastrointest Endosc Clin N Am. 1997 Oct; 7(4):575-91. PMID: 9376952.
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    193. Hsu R, Desta T, Leung J. Gastric purpura: an unusual endoscopic feature in gastrointestinal hemorrhage. Gastrointest Endosc. 1997 Jun; 45(6):527-9. PMID: 9199917.
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    194. Cetta F. Prevention of biliary stent clogging. Am J Gastroenterol. 1997 Mar; 92(3):542-3. PMID: 9068500.
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    195. Lee JG, Leung JW. Therapeutic modalities for treatment of peptic ulcer bleeding. Gastroenterologist. 1997 Mar; 5(1):26-40. PMID: 9074917.
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    196. Iwata F, Koo A, Itoh M, Lam K, Leung JW, Leung FW. Functional evidence linking potassium channels and afferent nerve-mediated mucosal protection in rat stomach. Life Sci. 1997; 61(17):1713-20. PMID: 9363987.
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    197. Seno K, Zhu JH, Barrett JD, Eggena P, Scremin OU, Lam K, Leung JW, Leung FW. Cigarette smoke increases gastric ulcer size in part by an angiotensin II-mediated mechanism in rats. Dig Dis Sci. 1997 Jan; 42(1):74-8. PMID: 9009118.
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    198. Liu Y, Leung JW, Libby ED, Cotton PB. Update on biliary stent occlusion. Chin Med J (Engl). 1996 Nov; 109(11):892-6. PMID: 9275379.
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    199. Baron TH, Lee JG, Schenkman DI, Pappas TN, Leung JW. Suction sclerotherapy for the treatment of esophageal varices: a report of a preliminary feasibility study. Dig Dis. 1996 Nov-Dec; 14(6):356-61. PMID: 9030467.
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    200. England R, Schutz SM, Leung JW. Case of the month: "air-in a view". Br J Radiol. 1996 Jul; 69(823):681-2. PMID: 8696710.
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    201. Libby ED, Leung JW. Prevention of biliary stent clogging: a clinical review. Am J Gastroenterol. 1996 Jul; 91(7):1301-8. PMID: 8677983.
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    202. Chung SC, Leong HT, Chan AC, Lau JY, Yung MY, Leung JW, Li AK. Epinephrine or epinephrine plus alcohol for injection of bleeding ulcers: a prospective randomized trial. Gastrointest Endosc. 1996 Jun; 43(6):591-5. PMID: 8781939.
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    203. Ng EK, Chung SC, Lau JT, Sung JJ, Leung JW, Raimes SA, Chan AC, Li AK. Risk of further ulcer complications after an episode of peptic ulcer bleeding. Br J Surg. 1996 Jun; 83(6):840-4. PMID: 8696756.
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    204. Lau JY, Chung SC, Leung JW, Ling TK, Yung MY, Li AK. Endoscopic drainage aborts endotoxaemia in acute cholangitis. Br J Surg. 1996 Feb; 83(2):181-4. PMID: 8689158.
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    205. Seno K, Lam K, Leung JW, Leung FW. Aging impairs afferent nerve function in rat intestine. Reduction of mesenteric hyperemia induced by intraduodenal capsaicin and acid. Dig Dis Sci. 1996 Feb; 41(2):346-51. PMID: 8601381.
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    206. Lee JG, Leung JW. Endoscopic management of difficult common bile duct stones. Gastrointest Endosc Clin N Am. 1996 Jan; 6(1):43-55. PMID: 8903562.
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    207. Seno K, Lam K, Leung JW, Leung FW. Primary afferent nerves mediate in part beta-adrenoceptor stimulation-induced mesenteric hyperemia in rats. Life Sci. 1996; 59(15):1203-9. PMID: 8845006.
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    208. Leung JW, Chan FK, Sung JJ, Chung S. Endoscopic sphincterotomy-induced hemorrhage: a study of risk factors and the role of epinephrine injection. Gastrointest Endosc. 1995 Dec; 42(6):550-4. PMID: 8674926.
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    209. Tarnasky PR, Cotton PB, Baillie J, Branch MS, Affronti J, Jowell P, Guarisco S, England RE, Leung JW. Proximal migration of biliary stents: attempted endoscopic retrieval in forty-one patients. Gastrointest Endosc. 1995 Dec; 42(6):513-20. PMID: 8674920.
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    210. Lee JG, Leung JW, Cotton PB, Layfield LJ, Mannon PJ. Diagnostic utility of K-ras mutational analysis on bile obtained by endoscopic retrograde cholangiopancreatography. Gastrointest Endosc. 1995 Oct; 42(4):317-20. PMID: 8536899.
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    211. Gumaste VV. Antibiotics and cholangitis. Gastroenterology. 1995 Jul; 109(1):323-5. PMID: 7797035.
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    212. Sung JJ, Lyon DJ, Suen R, Chung SC, Co AL, Cheng AF, Leung JW, Li AK. Intravenous ciprofloxacin as treatment for patients with acute suppurative cholangitis: a randomized, controlled clinical trial. J Antimicrob Chemother. 1995 Jun; 35(6):855-64. PMID: 7559196.
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    213. Sharara AI, Leung JW. Endoscopic extraction of proximally migrated biliary endoprostheses using a grasping rat-tooth forceps. Gastrointest Endosc. 1995 Jun; 41(6):619-20. PMID: 7672568.
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    214. Lee JG, Leung JW, Baillie J, Layfield LJ, Cotton PB. Benign, dysplastic, or malignant--making sense of endoscopic bile duct brush cytology: results in 149 consecutive patients. Am J Gastroenterol. 1995 May; 90(5):722-6. PMID: 7733076.
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    215. Lee JG, Schutz SM, England RE, Leung JW, Cotton PB. Endoscopic therapy of sclerosing cholangitis. Hepatology. 1995 Mar; 21(3):661-7. PMID: 7875664.
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    216. Lee JG, Leung JW, Cotton PB. Acute cardiovascular complications of endoscopy: prevalence and clinical characteristics. Dig Dis. 1995 Mar-Apr; 13(2):130-5. PMID: 7586633.
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    217. England RE, Newcomer MK, Leung JW, Cotton PB. Case report: annular pancreas divisum--a report of two cases and review of the literature. Br J Radiol. 1995 Mar; 68(807):324-8. PMID: 7735777.
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    218. Leung FW, Lo SK, Phan QQ, Leung JW, Yanni GS, Jing J. Factors influencing reflectance spectrophotometric measurements of gastrointestinal mucosal blood flow. Gastrointest Endosc. 1995 Jan; 41(1):18-24. PMID: 7698620.
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    219. Leung JW, Ling TK, Chan RC, Cheung SW, Lai CW, Sung JJ, Chung SC, Cheng AF. Antibiotics, biliary sepsis, and bile duct stones. Gastrointest Endosc. 1994 Nov-Dec; 40(6):716-21. PMID: 7859970.
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    220. Tarnasky PR, Brazer SR, Leung JW. Esophageal perforation during achalasia dilation complicated by esophageal diverticula. Am J Gastroenterol. 1994 Sep; 89(9):1583-5. PMID: 8079947.
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    221. Libby ED, Leung JW. Ultrasmooth plastic to prevent stent clogging. Gastrointest Endosc. 1994 May-Jun; 40(3):386-7. PMID: 8056256.
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    222. Leung FW, Wong DN, Lau J, Bondoc EM, Hsu R, Leung JW. Endoscopic assessment of blood flow in duodenal ulcers. Gastrointest Endosc. 1994 May-Jun; 40(3):334-41. PMID: 8056237.
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    223. Baron TH, Lee JG, Wax TD, Schmitt CM, Cotton PB, Leung JW. An in vitro, randomized, prospective study to maximize cellular yield during bile duct brush cytology. Gastrointest Endosc. 1994 Mar-Apr; 40(2 Pt 1):146-9. PMID: 8013811.
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    224. Chung SC, Leong HT, Choi CY, Leung JW, Li AK. Palliation of malignant oesophageal obstruction by endoscopic alcohol injection. Endoscopy. 1994 Mar; 26(3):275-7. PMID: 7521294.
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    225. Schutz SM, Leung JW. A new device to simplify endoscopic plastic stent insertion. Gastrointest Endosc. 1994 Jan-Feb; 40(1):112-3. PMID: 8163116.
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    226. Chan AC, Chung SC, Sung JY, Leung JW, Li AK. A double-blind randomized controlled trial comparing sodium tetradecyl sulphate and ethanolamine oleate in the sclerotherapy of bleeding oesophageal varices. Endoscopy. 1993 Oct; 25(8):513-7. PMID: 8287811.
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    227. Sung JJ, Chung SC, Lai CW, Chan FK, Leung JW, Yung MY, Kassianides C, Li AK. Octreotide infusion or emergency sclerotherapy for variceal haemorrhage. Lancet. 1993 Sep 11; 342(8872):637-41. PMID: 8103145.
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    228. Chung SC, Leung JW, Leong HT, Lo KK, Li AK. Adding a sclerosant to endoscopic epinephrine injection in actively bleeding ulcers: a randomized trial. Gastrointest Endosc. 1993 Sep-Oct; 39(5):611-5. PMID: 8224679.
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    229. McMahon AJ, Baxter JN, O'Dwyer P. Pathogenesis and treatment of gallstones. N Engl J Med. 1993 Jun 24; 328(25):1854; author reply 1855. PMID: 8502281.
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    230. Lee JG, Leung JW. Endoscopic lithotripsy for bile duct stones. Acta Gastroenterol Belg. 1993 Mar-Apr; 56(2):207-14. PMID: 8368046.
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    231. Sung JY, Chung SC, Low JM, Cocks R, Ip SM, Tan P, Leung JW, Li AK, Oh TE. Systemic absorption of epinephrine after endoscopic submucosal injection in patients with bleeding peptic ulcers. Gastrointest Endosc. 1993 Jan-Feb; 39(1):20-2. PMID: 8454140.
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    232. Sung JY, Leung JW, Shaffer EA, Lam K, Costerton JW. Bacterial biofilm, brown pigment stone and blockage of biliary stents. J Gastroenterol Hepatol. 1993 Jan-Feb; 8(1):28-34. PMID: 8439659.
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    233. Chisholm EM, Williams SR, Leung JW, Chung SC, Van Hasselt CA, Li AK. Lugol's iodine dye-enhanced endoscopy in patients with cancer of the oesophagus and head and neck. Eur J Surg Oncol. 1992 Dec; 18(6):550-2. PMID: 1282468.
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    234. Leung JW, Chan CY, Lai CW, Ko TC, Cheng AF, French GL. Effect of biliary obstruction on the hepatic excretion of imipenem-cilastatin. Antimicrob Agents Chemother. 1992 Sep; 36(9):2057-60. PMID: 1416901.
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    235. Lai CW, Chan RC, Cheng AF, Sung JY, Leung JW. Common bile duct stones: a cause of chronic salmonellosis. Am J Gastroenterol. 1992 Sep; 87(9):1198-9. PMID: 1519582.
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    236. Hsu RK, Lo KK, Lai CW, Leung JW. Late stent blockage by blood clot successfully treated by urokinase. Gastrointest Endosc. 1992 Sep-Oct; 38(5):604-5. PMID: 1383072.
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    237. Hosking SW, Ling TK, Yung MY, Cheng A, Chung SC, Leung JW, Li AK. Randomised controlled trial of short term treatment to eradicate Helicobacter pylori in patients with duodenal ulcer. BMJ. 1992 Aug 29; 305(6852):502-4. PMID: 1392995.
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    238. Leung JW, Chung RS. Training in ERCP. Gastrointest Endosc. 1992 Jul-Aug; 38(4):517-8. PMID: 1511834.
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    239. Ng WD, Liu K, Wong MK, Kong CK, Lee K, Chan YT, Leung JW. Endoscopic sphincterotomy in young patients with choledochal dilatation and a long common channel: a preliminary report. Br J Surg. 1992 Jun; 79(6):550-2. PMID: 1611450.
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    240. Leung JW, Lau GT, Sung JJ, Costerton JW. Decreased bacterial adherence to silver-coated stent material: an in vitro study. Gastrointest Endosc. 1992 May-Jun; 38(3):338-40. PMID: 1607086.
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    241. Sung JY, Leung JW, Shaffer EA, Lam K, Olson ME, Costerton JW. Ascending infection of the biliary tract after surgical sphincterotomy and biliary stenting. J Gastroenterol Hepatol. 1992 May-Jun; 7(3):240-5. PMID: 1611012.
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    242. Chung SC, Leung JW, Li AK. Phytobezoar masquerading as the superior mesenteric artery syndrome: successful endoscopic treatment using a colonoscope. J R Coll Surg Edinb. 1991 Dec; 36(6):405-6. PMID: 1774711.
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    243. Chung SC, Leung JW, Leong HT, Li AK. Mechanical lithotripsy of large common bile duct stones using a basket. Br J Surg. 1991 Dec; 78(12):1448-50. PMID: 1773322.
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    244. Affronti J, Lai CW, Leung JW. Warm your contrast. Gastrointest Endosc. 1991 Nov-Dec; 37(6):654. PMID: 1756935.
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    245. Gaines P, Markham N, Leung J, Metreweli C. The thick common bile duct in pyogenic cholangitis. Clin Radiol. 1991 Sep; 44(3):175-7. PMID: 1914393.
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    246. Sung JY, Shaffer EA, Olson ME, Leung JW, Lam K, Costerton JW. Bacterial invasion of the biliary system by way of the portal-venous system. Hepatology. 1991 Aug; 14(2):313-7. PMID: 1860688.
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    247. Leung JW, Venezuela RR. Cholangiosepsis: endoscopic drainage and antibiotic therapy. Endoscopy. 1991 Jul; 23(4):220-3. PMID: 1915139.
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    248. Wong NW, Bondoc EM, Banez VP, Hsu R, Leung JW, Nicholls MG, Leung FW. Reproducible demonstration of blood flow at duodenal ulcer margins by endoscopic reflectance spectrophotometry. Gastrointest Endosc. 1991 Jul-Aug; 37(4):455-9. PMID: 1916168.
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    249. Sung JY, Leung JW, Olson ME, Lundberg MS, Costerton JW. Demonstration of transient bacterobilia by foreign body implantation in feline biliary tract. Dig Dis Sci. 1991 Jul; 36(7):943-8. PMID: 1906397.
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    250. Leung JW, Chung SS. Management of upper gastrointestinal bleeding--the Prince of Wales Hospital experience. Gastroenterol Jpn. 1991 Jul; 26 Suppl 3:53-7. PMID: 1884960.
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    251. Chung SC, Sung JY, Suen MW, Leung JW, Leung FW. Endoscopic assessment of mucosal hemodynamic changes in a canine model of gastric ulcer. Gastrointest Endosc. 1991 May-Jun; 37(3):310-4. PMID: 2070980.
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    252. Leung JW, Cotton PB. Endoscopic nasobiliary catheter drainage in biliary and pancreatic disease. Am J Gastroenterol. 1991 Apr; 86(4):389-94. PMID: 2012035.
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    253. Chung SC, Chamroonkul N, Kow-ean S, Ratanaburi A, Ovartlarnporn B, Kow-ean U, Leung JW, Li AK. Side pillow for ERCP. Gastrointest Endosc. 1991 Jan-Feb; 37(1):104. PMID: 2004671.
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    254. Chung SC, Leung JW, Sung JY, Lo KK, Li AK. Injection or heat probe for bleeding ulcer. Gastroenterology. 1991 Jan; 100(1):33-7. PMID: 1983848.
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    255. Lau WY, Mok SD, Leung JW, Li AK. Migrated tumour fragments in common bile ducts from hepatocellular carcinoma. Aust N Z J Surg. 1990 Dec; 60(12):995-7. PMID: 2176452.
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    256. Lau WY, Leung JW, Li AK. Management of hepatocellular carcinoma presenting as obstructive jaundice. Am J Surg. 1990 Sep; 160(3):280-2. PMID: 2168129.
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    257. Banez VP, Leung JW, Lau WY. Endoscopic management of an unusual intrabiliary foreign body. Br J Surg. 1990 Aug; 77(8):882. PMID: 2393809.
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    258. Chung SC, Leung JW, Leung FW. Effect of submucosal epinephrine injection on local gastric blood flow. A study using laser Doppler flowmetry and reflectance spectrophotometry. Dig Dis Sci. 1990 Aug; 35(8):1008-11. PMID: 2384031.
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    259. Leung JW, Banez VP, Chung SC. Precut (needle knife) papillotomy for impacted common bile duct stone at the ampulla. Am J Gastroenterol. 1990 Aug; 85(8):991-3. PMID: 2375328.
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    260. Leung JW, Sung JY, Banez VP, Wu ZM, Agas FV, Ling TK, Chung SC. Endoscopic cholangiopancreatography in hepatic clonorchiasis--a follow-up study. Gastrointest Endosc. 1990 Jul-Aug; 36(4):360-3. PMID: 2210276.
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    261. Chung SC, Leung JW, Li AK. Bile duct size after cholecystectomy: an endoscopic retrograde cholangiopancreatographic study. Br J Surg. 1990 May; 77(5):534-5. PMID: 2354336.
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    262. Leung JW, Chan RC, Cheung SW, Sung JY, Chung SC, French GL. The effect of obstruction on the biliary excretion of cefoperazone and ceftazidime. J Antimicrob Chemother. 1990 Mar; 25(3):399-406. PMID: 2187012.
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    263. Griffin SM, Chung SC, Leung JW, Li AK. Effect of intranasal oxygen on hypoxia and tachycardia during endoscopic cholangiopancreatography. BMJ. 1990 Jan 13; 300(6717):83-4. PMID: 2105779.
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    264. Banez VP, Chung SS, Leung JW. Stigmata of recent haemorrhage. J Gastroenterol Hepatol. 1990 Jan-Feb; 5(1):96-7. PMID: 2103387.
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    265. French GL, Chan RC, Chung SC, Leung JW. Antibiotics for cholangitis. Lancet. 1989 Nov 25; 2(8674):1271-2. PMID: 2573777.
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    266. Griffin SM, Chung SC, Leung JW, Li AK. Improving the view during laser endoscopy. Gastrointest Endosc. 1989 Nov-Dec; 35(6):583-4. PMID: 2480930.
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    267. Griffin SM, Chung SC, Leung JW, Li AK. Peptic pyloric stenosis treated by endoscopic balloon dilatation. Br J Surg. 1989 Nov; 76(11):1147-8. PMID: 2597970.
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    268. Woods SD, Chung SC, Leung JW, Chan AC, Li AK. Hypoxia and tachycardia during endoscopic retrograde cholangiopancreatography: detection by pulse oximetry. Gastrointest Endosc. 1989 Nov-Dec; 35(6):523-5. PMID: 2599295.
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    269. Leung JW, Chung SS. Electrohydraulic lithotripsy with peroral choledochoscopy. BMJ. 1989 Sep 02; 299(6699):595-8. PMID: 2508816.
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    270. Lai KN, Pun CO, Leung JW. Study of hepatic venous wedge and intraperitoneal pressures in cirrhotic patients with refractory ascites treated by dialytic ultrafiltration. J Gastroenterol Hepatol. 1989 Jul-Aug; 4(4):325-30. PMID: 2491203.
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    271. Leung JW, Chung SC, Sung JJ, Banez VP, Li AK. Urgent endoscopic drainage for acute suppurative cholangitis. Lancet. 1989 Jun 10; 1(8650):1307-9. PMID: 2566834.
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    272. Leung JW, Sung JY, Costerton JW. Bacteriological and electron microscopy examination of brown pigment stones. J Clin Microbiol. 1989 May; 27(5):915-21. PMID: 2745700.
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    273. Leung JW, Sung JY, Chung SC, Metreweli C. Hepatic clonorchiasis--a study by endoscopic retrograde cholangiopancreatography. Gastrointest Endosc. 1989 May-Jun; 35(3):226-31. PMID: 2668102.
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    274. Yip CK, Leung JW, Metrewell C. Percutaneous approach to salvage failed T-tube drainage for malignant biliary obstruction. AJR Am J Roentgenol. 1989 Apr; 152(4):894. PMID: 2784274.
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    275. Yip CK, Leung JW, Chan MK, Metreweli C. Scrape biopsy of malignant biliary stricture through percutaneous transhepatic biliary drainage tracts. AJR Am J Roentgenol. 1989 Mar; 152(3):529-30. PMID: 2644776.
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    276. Leung JW, Chung SC, Sung JY, Li MK. Acute cholecystitis after stenting of the common bile duct for obstruction secondary to pancreatic cancer. Gastrointest Endosc. 1989 Mar-Apr; 35(2):109-10. PMID: 2469618.
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    277. Leung JW, Sung JY, Chung SC, Chan KM. Endoscopic scraping biopsy of malignant biliary strictures. Gastrointest Endosc. 1989 Jan-Feb; 35(1):65-6. PMID: 2537776.
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    278. Leung JW, Sung JY, Li MK, Metreweli C. Biliary stenting as treatment for a spontaneous bile leak. Am J Gastroenterol. 1988 Dec; 83(12):1431-2. PMID: 3195555.
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    279. Sung JY, Chung SC, Leung JW. Endoscopic pneumatic dilatation for achalasia of the oesophagus. Singapore Med J. 1988 Dec; 29(6):594-6. PMID: 3252469.
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    280. Lai KN, Leung JC, Lai FM. Distribution of interleukin-2 receptors in activated T-lymphocyte subsets in vitro. Singapore Med J. 1988 Aug; 29(4):333-6. PMID: 2977861.
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    281. Woo ML, Leung JW, French GL. Rickettsial infection presenting as culture-negative meningitis. Postgrad Med J. 1988 Aug; 64(754):614-6. PMID: 3249708.
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    282. Chung SC, Leung JW. Delayed esophageal perforation after sclerotherapy. Gastrointest Endosc. 1988 Jul-Aug; 34(4):364-5. PMID: 3410254.
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    283. Leung JW, Chung SC. Endoscopic management of biliary ascariasis. Gastrointest Endosc. 1988 Jul-Aug; 34(4):318-20. PMID: 3410242.
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    284. Chung SC, Leung JW, Steele RJ, Crofts TJ, Li AK. Endoscopic injection of adrenaline for actively bleeding ulcers: a randomised trial. Br Med J (Clin Res Ed). 1988 Jun 11; 296(6637):1631-3. PMID: 3135047.
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    285. Leung JW, Frost RA, Burgess R, Braganza JM, Slater DM, Cotton PB. Modified dual label Schilling test for pancreatic exocrine function. Clin Chim Acta. 1988 May 13; 174(1):93-100. PMID: 3383440.
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    286. Leung JW, Chung SC, Mok SD, Li AK. Endoscopic removal of large common bile duct stones in recurrent pyogenic cholangitis. Gastrointest Endosc. 1988 May-Jun; 34(3):238-41. PMID: 3134272.
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    287. Price J, Leung JW. Ultrasound diagnosis of Ascaris lumbricoides in the pancreatic duct: the "four-lines" sign. Br J Radiol. 1988 May; 61(725):411-3. PMID: 3289671.
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    288. Sung JY, Chung SC, Lo KK, Leung JW. Heater-probe treatment of bleeding peptic ulcers. Surg Endosc. 1988; 2(4):234-6. PMID: 3071870.
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    289. Leung JW, Chung SC, Sung JY, Metreweli C. Endoscopic management of postoperative biliary fistula. Surg Endosc. 1988; 2(3):190-3. PMID: 3238554.
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    290. Leung JW, Ling TK, Kung JL, Vallance-Owen J. The role of bacteria in the blockage of biliary stents. Gastrointest Endosc. 1988 Jan-Feb; 34(1):19-22. PMID: 3280393.
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    291. Chan HS, Lai KN, Leung JW, Man DW. Malrotation of midgut in adult polycystic kidney disease. Eur Urol. 1988; 14(2):166-7. PMID: 3360040.
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    292. Cotton PB, Forbes A, Leung JW, Dineen L. Endoscopic stenting for long-term treatment of large bile duct stones: 2- to 5-year follow-up. Gastrointest Endosc. 1987 Dec; 33(6):411-2. PMID: 3443257.
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    293. Leung JW, Mok SD, Metreweli C. Ascaris-induced pancreatitis. AJR Am J Roentgenol. 1987 Sep; 149(3):511-2. PMID: 3497533.
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    294. Speer AG, Cotton PB, Russell RC, Mason RR, Hatfield AR, Leung JW, MacRae KD, Houghton J, Lennon CA. Randomised trial of endoscopic versus percutaneous stent insertion in malignant obstructive jaundice. Lancet. 1987 Jul 11; 2(8550):57-62. PMID: 2439854.
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    295. Lai KN, Leung JW, Vallance-Owen J. Dialytic ultrafiltration by hemofilter in treatment of patients with refractory ascites and renal insufficiency. Am J Gastroenterol. 1987 Jul; 82(7):665-8. PMID: 3605027.
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    296. Leung JW, Chung SC. Endoscopic injection of adrenalin in bleeding peptic ulcers. Gastrointest Endosc. 1987 Apr; 33(2):73-5. PMID: 3569803.
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    297. Lai KN, Leung JW, Loke J, Panesar NS, Swaminathan R, Vallance-Owen J. Ultrafiltration by hemofilter--a new therapeutic measure in intractable ascites. Int J Artif Organs. 1987 Mar; 10(2):109-14. PMID: 3583426.
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    298. Lai KN, Leung JW, Swaminathan R, Panesar NS. Treatment of cirrhotic ascites by dialytic ultrafiltration with a hemofilter system. Blood Purif. 1987; 5(4):252-5. PMID: 3426828.
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    299. Chung SC, Leung JW. Improving the view in emergency endoscopy. Endoscopy. 1987 Jan; 19(1):47. PMID: 3493900.
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    300. Leung JW, Chung SC, King WW. Round worm pancreatitis: endoscopic worm removal without papillotomy. Br J Surg. 1986 Nov; 73(11):925. PMID: 3790928.
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    301. Leung JW, Crofts TJ, Watt CY. Colonic haemangioma--an unusual cause of lower gastrointestinal bleeding. Aust N Z J Surg. 1986 Oct; 56(10):803-5. PMID: 3490252.
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    302. Leung JW, Man DW, Metreweli C. Duodenoscopic sphincterotomy for biliary calculi associated with congenital bile duct cyst. Ann Radiol (Paris). 1986; 29(8):652-5. PMID: 3566139.
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    303. Shorvon PJ, Leung JW, Cotton PB. Preliminary clinical experience with the heat probe at endoscopy in acute upper gastrointestinal bleeding. Gastrointest Endosc. 1985 Dec; 31(6):364-6. PMID: 3878312.
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    304. Li AK, Chung SC, Leung JW, Mok SD. Recurrent pyogenic cholangitis: an update. Trop Gastroenterol. 1985 Jul-Sep; 6(3):119-31. PMID: 3911510.
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    305. Leung JW, Del Favero G, Cotton PB. Endoscopic biliary prostheses: a comparison of materials. Gastrointest Endosc. 1985 Apr; 31(2):93-5. PMID: 3996870.
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    306. Blair AJ, Leung JW, Cotton PB. Endoscopic treatment of stomal stenosis after choledochoduodenostomy: preliminary report. Surgery. 1985 Apr; 97(4):487-9. PMID: 3983826.
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    307. Forbes A, Leung JW, Cotton PB. Relapsing acute and chronic pancreatitis. Arch Dis Child. 1984 Oct; 59(10):927-34. PMID: 6497429.
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    308. Shorvon PJ, Leung JW, Corcoran M, Mason RR, Cotton PB. Cutaneous seeding of malignant tumours after insertion of percutaneous prosthesis for obstructive jaundice. Br J Surg. 1984 Sep; 71(9):694-5. PMID: 6478159.
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    309. Gilinsky NH, Leung JW, Heron C, Cotton PB. Calcific pancreatitis: calcification patterns and pancreatogram correlations. Clin Radiol. 1984 Sep; 35(5):401-4. PMID: 6467828.
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    310. Byrne P, Leung JW, Cotton PB. Retroperitoneal perforation during duodenoscopic sphincterotomy. Radiology. 1984 Feb; 150(2):383-4. PMID: 6691089.
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    311. Leung JW, Cotton PB. Congenital bile duct cysts draining through Santorini's duct. Br J Surg. 1984 Feb; 71(2):167-8. PMID: 6692121.
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    312. Leung JW, Bowen-Wright M, Aveling W, Shorvon PJ, Cotton PB. Coeliac plexus block for pain in pancreatic cancer and chronic pancreatitis. Br J Surg. 1983 Dec; 70(12):730-2. PMID: 6640255.
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    313. Magni VC, Frost RA, Leung JW, Cotton PB. A randomized comparison of midazolam and diazepam for sedation in upper gastrointestinal endoscopy. Br J Anaesth. 1983 Nov; 55(11):1095-101. PMID: 6139120.
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    314. Leung JW, Emery R, Cotton PB, Russell RC, Vallon AG, Mason RR. Management of malignant obstructive jaundice at The Middlesex Hospital. Br J Surg. 1983 Oct; 70(10):584-6. PMID: 6626917.
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    315. Lam KC, Yu MC, Leung JW, Henderson BE. Hepatitis B virus and cigarette smoking: risk factors for hepatocellular carcinoma in Hong Kong. Cancer Res. 1982 Dec; 42(12):5246-8. PMID: 6291750.
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    316. Leung JW, Ho J, Lam KC. Malignant mixed tumour of the liver and its response to adriamycin. J R Soc Med. 1982 Sep; 75(9):743-6. PMID: 6288944.
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