title: Cimetidine in bleeding peptic ulcer.
mesh_terms: D000368:Aged; D002744:Chlorpheniramine / Q000627:therapeutic use; D002927:Cimetidine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004381:Duodenal Ulcer / Q000150:complications*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000188:drug therapy*; D010919:Placebos; D012107:Research Design; D013276:Stomach Ulcer / Q000150:complications*
chemical_list: D006146:Guanidines; D010919:Placebos; D002744:Chlorpheniramine; D002927:Cimetidine