title: Omeprazole and bleeding peptic ulcer, or "how case-control studies can tell you what you suspected all along".
authors.forename: C J
authors.initials: CJ
authors.lastname: Hawkey
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects; D000897:Anti-Ulcer Agents / Q000627:therapeutic use*; D016022:Case-Control Studies; D015986:Confounding Factors, Epidemiologic; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced / Q000188:drug therapy*; D006801:Humans; D016595:Misoprostol / Q000627:therapeutic use; D009853:Omeprazole / Q000627:therapeutic use*; D010437:Peptic Ulcer / Q000139:chemically induced / Q000188:drug therapy*; D012008:Recurrence; D012107:Research Design / Q000592:standards*
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D000897:Anti-Ulcer Agents; D016595:Misoprostol; D009853:Omeprazole