title: Measurement of PCO2 and PO2.
mesh_terms: D001784:Blood Gas Analysis / Q000379:methods; D002245:Carbon Dioxide / Q000097:blood*; D004566:Electrodes; D006801:Humans; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen