Dubey, R., Ali, R. Z., Baghel, N. and Beg, K. (2016) “A comparative study on post-operative pain relief by intrathecal buprenorphine hydrocholoride with control group”, International Journal of Advances in Medicine, 3(4), pp. 880–887. doi: 10.18203/2349-3933.ijam20163718.