Elanda Rahmat Arifyanto, Ardana Tri Arianto, and Heri Dwi Purnomo. “Opioid-Sparing Anesthesia: The Dual Efficacy of Ketamine on Postoperative Pain and Systemic Inflammation Following Spinal Surgery”. Journal of Anesthesiology and Clinical Research 6, no. 2 (October 1, 2025): 986-999. Accessed October 13, 2025. https://www.hmpublisher.com/index.php/JACR/article/view/804.