title: [Clinical survey of spontaneous pneumothorax in patient aged 40 or over].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008173:Lung Diseases, Obstructive / Q000150:complications; D008175:Lung Neoplasms / Q000150:complications; D008297:Male; D008875:Middle Aged; D011030:Pneumothorax / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D011859:Radiography