Nuruzzaman, Mostafa, Debasish Banik, Md. Liaquatunnoor, and A K M Akhtaruzzaman. “Effect of Oral Clonidine on Epidural Anaesthesia in Hip Replacement Surgery”. Bangladesh Journal of Pain 3, no. 1 (July 1, 2023): 22–28. Accessed June 14, 2026. http://bjpain.org/index.php/bjpain/article/view/87.