Development of duodenal ulcer during cimetidine treatment for gastric ulcer.
D002927:Cimetidine / Q000627:therapeutic use*; D004381:Duodenal Ulcer / Q000209:etiology*; D005260:Female; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer / Q000150:complications / Q000188:drug therapy*
D006146:Guanidines; D002927:Cimetidine