Ranitidine in the acute treatment of duodenal ulcer--a double-blind placebo-controlled trial.
D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004334:Drug Administration Schedule; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos / Q000627:therapeutic use*; D011899:Ranitidine / Q000627:therapeutic use*
D010919:Placebos; D011899:Ranitidine