title: The chest x-ray in 55 patients with pneumothorax.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011030:Pneumothorax / Q000000981:diagnostic imaging / Q000209:etiology*; D011656:Pulmonary Emphysema / Q000150:complications*; D011859:Radiography; D012008:Recurrence