On-Line Arterial PO2 Measurements During Cardiopulmonary Bypass D. Demierre, E. R. Schmid, B. Walpoth, D. Maass, E. Garcia and M. Turina J Extra Corpor Technol, 22 3 (1990) 120-124 Published online: 21 August 2023 DOI: 10.1051/ject/1990223120