Gupta, Kanhya Lal, Amit Gupta, and . Neeraj. 2017. “Efficiency of Nalbuphine As an Adjuvant to Bupivancaine in Lower Limb Orthopaedic Surgery-a Prospective Study”. International Journal of Research in Medical Sciences 5 (2):623-26. https://doi.org/10.18203/2320-6012.ijrms20170163.