title: Upper GI bleeds.
authors: S S
authors: SS
authors: Gardner
authors: R L
authors: RL
authors: Messner
mesh_terms: D000328:Adult; D016099:Endoscopy, Gastrointestinal; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000451:nursing* / Q000628:therapy; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008297:Male
chemical_list: D006454:Hemoglobins