Efficacy of Epidural Tramadol as Adjuvant to Bupivacaine to Reduce Post-Anesthesia Shivering: Comparison with Intravenous Tramadol HCl in Elective Caesarian Section. mfm. 2020;31(10). Accessed April 16, 2026. https://medicalforummonthly.com/index.php/mfm/article/view/2501