Long-term cimetidine for duodenal ulceration?
D002927:Cimetidine / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D004381:Duodenal Ulcer / Q000188:drug therapy*; D006146:Guanidines / Q000008:administration & dosage*; D006801:Humans; D055502:Secondary Prevention; D013997:Time Factors
D006146:Guanidines; D002927:Cimetidine