D. B. Kaur, D. T. K. Grewal, and D. S. Aggarwal, “To Compare the Supraclavicular and Infraclavicular Approaches of Brachial Plexus Block for Upper Limb Surgery Using 0.05mg of Dexmedetomidine and 30ml of 0.5% Ropivacaine”, ijirms, vol. 4, no. 01, p. 59 to 64, Jan. 2019.