Instrumental design in analysis of 14CO2 in expired air in man.
D001481:Basal Metabolism; D002245:Carbon Dioxide / Q000378:metabolism*; D006801:Humans; D010100:Oxygen / Q000378:metabolism; D011868:Radioisotopes; D012129:Respiratory Function Tests / Q000295:instrumentation*; D013147:Spirometry
D011868:Radioisotopes; D002245:Carbon Dioxide; D010100:Oxygen