Small airway disease in the pathogenesis of pulmonary emphysema.
D000328:Adult; D000368:Aged; D001980:Bronchi / Q000473:pathology*; D005260:Female; D006801:Humans; D008168:Lung / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000209:etiology*