title: [An analysis of the effect of smoking on bronchitis, emphysema, cor pulmonale and emphysema in the aged].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000209:etiology*; D002648:Child; D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000209:etiology*; D011660:Pulmonary Heart Disease / Q000209:etiology*; D012907:Smoking