A long term evaluation of cimetidine.
D002927:Cimetidine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004381:Duodenal Ulcer / Q000188:drug therapy*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D013997:Time Factors
D006146:Guanidines; D002927:Cimetidine