A. Cagliola

Randomized, placebo‐controlled comparison of famotidine 20 mg b.d. or 40 mg b.d. in patients with erosive oesophagitis

S. Snapinn, R. Berlin, M. Berenson, 1994, Alimentary pharmacology & therapeutics.

U.S. experience with omeprazole in duodenal ulcer

T. L. Johnson, J. Valenzuela, T. Humphries, 1991, Digestive Diseases and Sciences.

Ulcer recurrence following duodenal ulcer healing with omeprazole, ranitidine, or placebo: a double-blind, multicenter, 6-month study. The Omeprazole Duodenal Ulcer Study Group.

T. L. Johnson, D. Graham, A. McCullough, 1992, Gastroenterology.

Effect of different doses of omeprazole on 24‐hour oesophageal acid exposure in patients with gastro‐oesophageal reflux

T. Bradstreet, T. Humphries, M Robinson, 1991, Alimentary pharmacology & therapeutics.

Two doses of omeprazole versus placebo in symptomatic erosive esophagitis: the U.S. Multicenter Study.

A. Ippoliti, J. Behar, J. Richter, 1992, Gastroenterology.