“THE IMPACT OF TRAMADOL VERSUS KETAMINE ON PREVENTING POST-SPINAL SHIVERING IN PATIENTS UNDERGOING ORTHOPEDIC SURGERY”. The Research of Medical Science Review 4, no. 1 (January 29, 2026): 620–627. Accessed August 12, 2026. https://medicalsciencereview.com/index.php/Journal/article/view/3990.