Alveolar gas mixing efficiency in the human lung.
D000328:Adult; D000368:Aged; D001944:Breath Tests / Q000379:methods; D005260:Female; D005740:Gases / Q000378:metabolism*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D008297:Male; D013058:Mass Spectrometry; D008875:Middle Aged; D009584:Nitrogen / Q000378:metabolism; D011650:Pulmonary Alveoli / Q000502:physiology*; D012126:Respiratory Dead Space
D005740:Gases; D009584:Nitrogen