Jain, Sarvesh, Rohit Dushyant, and K K Arora. “Intrathecal Tramadol for Prevention of Shivering in Anorectal Surgeries under Sub Arachnoid Anaesthesia”. International Journal of Medical Research and Review 2, no. 3 (June 30, 2014): 190-193. Accessed May 11, 2025. https://www.ijmrr.medresearch.in/index.php/ijmrr/article/view/87.