title: Aspirin use in patients with major upper gastrointestinal bleeding and peptic-ulcer disease. A report from the Boston Collaborative Drug Surveillance Program, Boston University Medical Center.
mesh_terms: D000328:Adult; D000368:Aged; D001241:Aspirin / Q000008:administration & dosage / Q000009:adverse effects* / Q000633:toxicity; D001900:Boston; D004341:Drug Evaluation; D004381:Duodenal Ulcer / Q000139:chemically induced; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced* / Q000453:epidemiology; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000139:chemically induced* / Q000453:epidemiology; D010438:Peptic Ulcer Hemorrhage / Q000453:epidemiology; D013276:Stomach Ulcer / Q000139:chemically induced
chemical_list: D001241:Aspirin