Controlled trial with ranitidine in the treatment of peptic ulcer.
D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005663:Furans / Q000009:adverse effects / Q000627:therapeutic use*; D006635:Histamine H2 Antagonists / Q000627:therapeutic use*; D006801:Humans; D011897:Random Allocation; D011899:Ranitidine
D005663:Furans; D006635:Histamine H2 Antagonists; D011899:Ranitidine