Lobar ventilation in obstructive syndromes.
D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000503:physiopathology*; D002404:Catheterization; D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged; D009584:Nitrogen / Q000032:analysis; D011656:Pulmonary Emphysema / Q000503:physiopathology*; D012129:Respiratory Function Tests
D009584:Nitrogen