title: Cimetidine for prevention of acute gastrointestinal bleeding.
mesh_terms: D000208:Acute Disease; D002927:Cimetidine / Q000627:therapeutic use*; D005750:Gastric Juice; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010437:Peptic Ulcer / Q000517:prevention & control
chemical_list: D006146:Guanidines; D002927:Cimetidine