title: [A study of factors affecting prognosis in emphysema].
mesh_terms: D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011656:Pulmonary Emphysema / Q000401:mortality / Q000503:physiopathology*