“Evaluation of Anti-Shivering Mechanisms of Ketamine and Tramadol in Patients Undergoing Spinal Anesthesia”. Pakistan Journal of Medical & Cardiological Review 5, no. 1 (January 30, 2026): 402–408. Accessed September 12, 2026. https://pakjmcr.com/index.php/1/article/view/524.