Leung WK, Lau JYW, Suen BY, Wong GL, Chow DK, Lai LH, To KF, Yim CK, Lee ES, Tsoi KK, Ng SS, Sung JJ. Repeat screening colonoscopy 5-year after normal baseline screening colonoscopy in average risk Chinese: A prospective study. Am J Gastroenterol
Leung WK, Ho SSM, Suen BY, Lai LH, Yu S, Ng EKW, Ng SSM, Chiu PWY, Sung JJY, Chan FKL, Lau JYW. Capsule endoscopy or angiography in patients with acute overt obscure gastrointestinal bleeding: A prospective randomized study with long term follow up. Am J Gastroenterol
Leung WK, Lo OS, Liu KS, Tong T, But DY, Lam FY, Hsu, AS, Wong SY, Seto WK, Hung IF, Law WL. Detection of colorectal adenoma by narrow band imaging (HQ190) versus high definition white light colonoscopy: A randomized controlled trial. Am J Gastroentero
Liu KS, Hung IF, Seto WK, Tong T, Hsu AS, Lam FY, But DY, Wong SY, Leung WK. Ten day sequential versus 10 day modified bismuth quadruple therapy as firstline and secondline treatment for Helicobacter pylori in Chinese patients: an open label randomized crossover trial. Gut
Chan EW, Lau WC, Leung WK, Mok MT, He Y, Tong TS, Wong IC. Prevention of dabigatran-related gastrointestinal bleeding with gastroprotective agents: A population-based study. Gastroenterology