Brahmbhatt, N., and S. Mehta. “Study of Comparison of Dexmedetomidine Added to Levobupivacaine Versus Alone Levobupivacaine in Supraclavicular Brachial Plexus Blockade”. Academia Anesthesiologica International, Vol. 5, no. 2, Dec. 2020, pp. 43-48, doi:10.21276/aan.2020.5.2.9.