Intrapulmonary gas distribution. A comparison of the helium mixing time and nitrogen single breath test in normal and diseased subjects.
D000328:Adult; D000367:Age Factors; D001249:Asthma / Q000503:physiopathology; D001991:Bronchitis / Q000503:physiopathology; D002318:Cardiovascular Diseases / Q000503:physiopathology*; D002908:Chronic Disease; D005260:Female; D006371:Helium; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D009584:Nitrogen; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000503:physiopathology*; D013147:Spirometry
D006371:Helium; D009584:Nitrogen