[Refractory peptic ulcer and its management, with special reference to therapeutic results in in-patient care].
D000328:Adult; D002908:Chronic Disease; D005773:Gastroscopy; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000209:etiology / Q000473:pathology / Q000628:therapy*; D011379:Prognosis