Gupta, B.K., Yadav, G., Kumar, N., Mhaske, V., Babu, S. and Gautam, G.S. 2019. Comparative evaluation of interscalene and interscalene plus infraclavicular brachial plexus block for elbow surgery using nerve stimulator. Anaesthesia, Pain & Intensive Care. (Jan. 2019), 32-37.