Singh, J., S. Shakya, A. Ghimire, S. Saha, and P. B. Singh. “A Comparative Study Between Two Different Doses of Dexmedetomidine Combined With Ropivacaine in Ultrasound Guided Supraclavicular Brachial Plexus Block”. Journal of College of Medical Sciences-Nepal, vol. 14, no. 3, Sept. 2018, pp. 127-31, doi:10.3126/jcmsn.v14i3.20908.