title: Pulmonary emphysema: redefinition and pathogenesis, a view from the epidemiological armchair.
mesh_terms: D000397:Air Pollution; D005260:Female; D006801:Humans; D008297:Male; D011656:Pulmonary Emphysema / Q000453:epidemiology / Q000209:etiology*; D012907:Smoking / Q000150:complications