Sathikarnmanee, Aksorn, and Thepakorn Sathitkarnmanee. 2013. “Postoperative Oxygen Saturation in Patients Receiving Spinal Anesthesia”. Srinagarind Medical Journal 12 (1):34-37. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13972.