title: Cimetidine in preventing or treating acute upper gastrointestinal tract hemorrhage.
mesh_terms: D000863:Antacids / Q000627:therapeutic use; D002927:Cimetidine / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005744:Gastric Acid; D005750:Gastric Juice / Q000187:drug effects; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000188:drug therapy*
chemical_list: D000863:Antacids; D002927:Cimetidine