Korlepara, Naga, Karnati Rohith, Juhi Aggarwal, Mahaboob Shaik, Surya Prabha, and Swarna Kuragayala. “Comparison Between Epidural Postoperative Analgesia With Bupivacaine With 50mg Magnesium Sulphate and of Bupivacaine With 50mg Tramadol for Patients Undergoing Lower Limb Surgeries”. Pain medicine 10, no. 3-4 (December 31, 2025): 48–60. Accessed March 21, 2026. https://painmedicine.org.ua/index.php/pnmdcn/article/view/394.