title: Cimetidine and delayed hypersensitivity.
mesh_terms: D002927:Cimetidine / Q000008:administration & dosage*; D004381:Duodenal Ulcer / Q000188:drug therapy; D006146:Guanidines / Q000008:administration & dosage*; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000209:etiology*; D013375:Substance Withdrawal Syndrome / Q000276:immunology
chemical_list: D006146:Guanidines; D002927:Cimetidine