“Prophylactic Use of Ketamine and Tramodol for the Prevention of Intra-Operative Shivering in Lower Limb Surgeries Done in Spinal Anesthesia”. Medical Forum Monthly 31, no. 7 (April 13, 2024). Accessed December 26, 2025. https://medicalforummonthly.com/index.php/mfm/article/view/2323.