Shrestha, I N, G P Deo, S K Shrestha, S Neupane, and B S Regmi. “Epidural Tramadol Improves the Quality of Pain Relief During Labor”. Journal of Chitwan Medical College 6, no. 3 (February 20, 2017): 14–19. Accessed May 2, 2024. https://www.nepjol.info/index.php/JCMC/article/view/16694.