Cimetidine in the simple and retard form: comparison of the efficacy and tolerability in the management of duodenal ulcer.
D000328:Adult; D000368:Aged; D002927:Cimetidine / Q000008:administration & dosage*; D003692:Delayed-Action Preparations; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011897:Random Allocation
D003692:Delayed-Action Preparations; D002927:Cimetidine