“To Evaluate the Relationship Between Oxygen Reserve Index (ORi™) With Arterial Partial Pressure of Oxygen (PaO2) and Arterial Oxygen Saturation (SaO2)”. Journal of Clinical Research in Pain and Anesthesia 6, no. 1 (February 19, 2025): 1–8. Accessed October 29, 2026. https://academicpublish.org/index.php/JCRPA/article/view/1496.