An unusual source of error in measuring VO2.
D000328:Adult; D002245:Carbon Dioxide / Q000032:analysis; D006801:Humans; D008297:Male; D008722:Methods; D010100:Oxygen / Q000032:analysis; D010101:Oxygen Consumption; D010126:Ozone; D005082:Physical Exertion
D002245:Carbon Dioxide; D010126:Ozone; D010100:Oxygen