Johnson, P A A comparison between direct and calculated oxygen saturation in intensive care. [electronic resource] - Anaesthesia and intensive care Feb 1993 - 72-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0310-057X Standard No.: 10.1177/0310057X9302100117 doi Subjects--Topical Terms: 2,3-DiphosphoglycerateArteriesBlood Gas Analysis--instrumentationCarbon Dioxide--bloodCritical CareCritical IllnessDiphosphoglyceric Acids--bloodHemoglobins--analysisHumansOximetry--instrumentationOxygen--bloodOxygen ConsumptionSpectrophotometryTemperatureVeins