Asymptomatic peptic ulcer disease.
D002986:Clinical Trials as Topic; D006635:Histamine H2 Antagonists / Q000627:therapeutic use; D006801:Humans; D010437:Peptic Ulcer / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis; D010439:Peptic Ulcer Perforation / Q000175:diagnosis
D006635:Histamine H2 Antagonists