Cimetidine and ulcers.
D004381:Duodenal Ulcer / Q000188:drug therapy*; D006146:Guanidines / Q000627:therapeutic use*; D006635:Histamine H2 Antagonists / Q000627:therapeutic use*; D006801:Humans; D007093:Imidazoles / Q000627:therapeutic use*
D006146:Guanidines; D006635:Histamine H2 Antagonists; D007093:Imidazoles