title: Tracheo-bronchial collapsibility, an in-vivo and ex-vivo study.
mesh_terms: D000328:Adult; D000368:Aged; D000402:Airway Obstruction; D000403:Airway Resistance; D001344:Autopsy; D001980:Bronchi / Q000503:physiopathology*; D001991:Bronchitis / Q000503:physiopathology; D002908:Chronic Disease; D005471:Fluoroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011312:Pressure; D011656:Pulmonary Emphysema / Q000503:physiopathology; D012140:Respiratory Tract Diseases / Q000503:physiopathology*; D013147:Spirometry; D014132:Trachea / Q000503:physiopathology*