PO2 in the seventies.
D001769:Blood; D002245:Carbon Dioxide / Q000097:blood; D002404:Catheterization; D003936:Diagnosis, Computer-Assisted; D004566:Electrodes; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007231:Infant, Newborn; D008991:Monitoring, Physiologic; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure; D012121:Respiration, Artificial; D012127:Respiratory Distress Syndrome, Newborn / Q000097:blood*; D012881:Skin Temperature
D002245:Carbon Dioxide; D010100:Oxygen