Murthy, V.S.S.N., Hari Kiran Verma, N. and Acharya, A. 2018. A randomised prospective comparative study of evaluation of dexmedetomidine an adjuvant to ropivacaine for ultrasound guided supraclavicular block. International Journal of Clinical Trials. 5, 3 (Jul. 2018), 127–131. DOI:https://doi.org/10.18203/2349-3259.ijct20182060.