1.
Saxena D, Sanwatsarkar S, Dixit A, Arya B. Comparative study of duration of analgesia with epidural bupivacaine and bupivacaine with tramadol in lower limb surgeries. Int J Res Med Sci [Internet]. 2017 Apr. 26 [cited 2025 Oct. 10];5(5):2003-10. Available from: https://www.msjonline.org/index.php/ijrms/article/view/2944