[Physiological studies on forced vital capacity maneuver. 1. Study on the site of airway collapse].
D000328:Adult; D000368:Aged; D001980:Bronchi / Q000503:physiopathology*; D001995:Bronchography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging / Q000503:physiopathology*; D014797:Vital Capacity