Two-year follow-up after one year's treatment with cimetidine or placebo.
D000328:Adult; D000368:Aged; D002927:Cimetidine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005260:Female; D005500:Follow-Up Studies; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000188:drug therapy*; D013997:Time Factors
D006146:Guanidines; D002927:Cimetidine