title: Cimetidine for prevention of acute gastrointestinal bleeding.
mesh_terms: D000208:Acute Disease; D000863:Antacids / Q000627:therapeutic use; D002927:Cimetidine / Q000627:therapeutic use*; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans
chemical_list: D000863:Antacids; D006146:Guanidines; D002927:Cimetidine