label: Gases, blood, any combination of pH, pCO2, pO2, CO2, HCO3 (including calculated O2 saturation); with O2 saturation, by direct measurement, except pulse oximetry
label_lc: gases, blood, any combination of ph, pco2, po2, co2, hco3 (including calculated o2 saturation); with o2 saturation, by direct measurement, except pulse oximetry