Sharan, Radhe, Manjit Singh, Joginder Pal Attri, and Davinder Dr Davinder Singh. “Additive Effect of Butorphanol in Supraclavicular Brachial Plexus Block”. International Journal of Medical Research and Review 4, no. 6 (June 30, 2016): 910-917. Accessed November 22, 2024. https://ijmrr.medresearch.in/index.php/ijmrr/article/view/579.