title: Omeprazole and risk of recurrent bleeding.
authors.forename: N S
authors.initials: NS
authors.lastname: Weiss
mesh_terms: D000897:Anti-Ulcer Agents / Q000627:therapeutic use*; D006471:Gastrointestinal Hemorrhage / Q000517:prevention & control*; D006801:Humans; D009853:Omeprazole / Q000627:therapeutic use*; D055502:Secondary Prevention
chemical_list: D000897:Anti-Ulcer Agents; D009853:Omeprazole