C. Choi

Electroacupuncture for control of myeloablative chemotherapy-induced emesis: A randomized controlled trial.

P. Shekelle, R. Hays, P. Albert, 2000, JAMA.

Efficacy of combination therapy with probiotics and mosapride in patients with IBS without diarrhea: a randomized, double‐blind, placebo‐controlled, multicenter, phase II trial

S. Kim, K. Park, C. Sohn, 2015, Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.

Anti-Helicobacter pylori treatment in bleeding ulcers: randomized controlled trial comparing 2-day versus 7-day bismuth quadruple therapy.

J. Sung, C. Choi, N. Yuen, 1997, The American journal of gastroenterology.

One-week ranitidine bismuth citrate versus colloidal bismuth subcitrate-based anti-Helicobacter triple therapy: a prospective randomized controlled trial

J. Sung, C. Choi, E. Leung, 1999, American Journal of Gastroenterology.