Sam-Ming Chen

Esomeprazole 40 mg and 20 mg is efficacious in the long-term management of patients with endoscopy-negative gastro-oesophageal reflux disease: a placebo-controlled trial of on-demand therapy for 6 months

N. Talley, D. Armstrong, K. Bardhan, 2002, European journal of gastroenterology & hepatology.

A prospective, randomized trial of sclerotherapy versus ligation in the management of bleeding esophageal varices

K. Lai, G. Lo, H. Chiang, 1995 .