title: Duodenal perforation after cimetidine.
mesh_terms: D000293:Adolescent; D002927:Cimetidine / Q000008:administration & dosage*; D004381:Duodenal Ulcer / Q000150:complications / Q000188:drug therapy*; D006146:Guanidines / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D010438:Peptic Ulcer Hemorrhage / Q000188:drug therapy*; D010439:Peptic Ulcer Perforation / Q000209:etiology*; D013375:Substance Withdrawal Syndrome
chemical_list: D006146:Guanidines; D002927:Cimetidine