Rajesh Kumar and Jaiswal, A. (2024) “Nalbuphine as an adjuvant to bupivacaine in ultrasound-guided brachial plexus blockade: A meta-analysis of randomized and controlled trials”, Asian Journal of Medical Sciences, 15(1), pp. 254–261. Available at: https://www.nepjol.info/index.php/AJMS/article/view/57163 (Accessed: 7 December 2025).