title: Topology of nonrespiratory bronchioles of normal and emphysematous lungs.
mesh_terms: D000368:Aged; D001980:Bronchi / Q000033:anatomy & histology* / Q000473:pathology; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D008961:Models, Structural; D011656:Pulmonary Emphysema / Q000473:pathology*; D012123:Pulmonary Ventilation