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Omeprazole and ranitidine in long-term treatment of duodenal ulcer: a double-blind comparison of length of time in remission.

Digestive diseases and sciences·1998

In vitro activity of omeprazole in combination with several antimicrobial agents against clinical isolates of Helicobacter pylori.

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology·1996

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Revista espanola de enfermedades digestivas·1991

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Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association·1989