Regmi, N.K., Khatri, S. and Datta, P.K. (2016) “Comparison of Propofol-Ketamine Combination with Propofol-Butorphanol Combination for Total Intravenous Anaesthesia on Short Surgical Procedures”, Journal of Nepalgunj Medical College, 12(2), pp. 34–39. doi:10.3126/jngmc.v12i2.14474.