Variations in the oxygen and carbon dioxide tensions of end-tidal air in graduated exercise in normal persons and patients suffering from ventilatory insufficiency; preliminary report.
D002245:Carbon Dioxide; D015444:Exercise; D006801:Humans; D010100:Oxygen; D012119:Respiration / Q000502:physiology*
D002245:Carbon Dioxide; D010100:Oxygen
RESPIRATION; RESPIRATION/physiology