Respiratory mass spectrometry: 'on line' computer control and data processing.
D000818:Animals; D001128:Argon / Q000032:analysis; D002245:Carbon Dioxide / Q000032:analysis*; D003201:Computers; D006801:Humans; D013058:Mass Spectrometry; D009584:Nitrogen / Q000032:analysis; D009862:Online Systems; D010100:Oxygen / Q000032:analysis*; D005082:Physical Exertion; D012119:Respiration; D013057:Spectrum Analysis
D002245:Carbon Dioxide; D001128:Argon; D009584:Nitrogen; D010100:Oxygen