title: Current status of cimetidine in upper gastrointestinal bleeding.
mesh_terms: D002927:Cimetidine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans
chemical_list: D006146:Guanidines; D002927:Cimetidine