Diffusion in the gas phase of the lungs in normal and emphysematous subjects.
D000368:Aged; D001692:Biological Transport; D005459:Fluorides / Q000378:metabolism*; D005740:Gases / Q000378:metabolism*; D006371:Helium / Q000378:metabolism*; D006801:Humans; D008168:Lung / Q000378:metabolism*; D008875:Middle Aged; D009356:Neon / Q000378:metabolism*; D011656:Pulmonary Emphysema / Q000378:metabolism*; D013455:Sulfur / Q000378:metabolism*
D005740:Gases; D006371:Helium; D009356:Neon; D013455:Sulfur; D005459:Fluorides