title: [This time the blood did not come from the stomach].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D000368:Aged; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects*; D003108:Colonic Diseases / Q000139:chemically induced* / Q000175:diagnosis*; D003113:Colonoscopy; D003937:Diagnosis, Differential; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced / Q000209:etiology*; D005773:Gastroscopy; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000139:chemically induced / Q000209:etiology*; D014456:Ulcer / Q000139:chemically induced* / Q000175:diagnosis*
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal