K. K. G. V., R. Gurram, G. Fultambkar, A. O. Gupta, and O. C. Swami, “Evaluation of ultrasound guided verses nerve stimulator technique of interscalene brachial plexus block: insights from Indian multi-super specialty hospital”, Int J Res Med Sci, vol. 6, no. 7, pp. 2503–2507, Jun. 2018.