Peptic ulcer and pulmonary emphysema; their association in hospitalized patients.
D004646:Emphysema; D006801:Humans; D010361:Patients; D010437:Peptic Ulcer / Q000150:complications*; D011656:Pulmonary Emphysema / Q000150:complications*
EMPHYSEMA, PULMONARY/complications; PEPTIC ULCER/complications