TK, S.; Madhyastha, K. A Prospective Randomized Double Blinded Study to Evaluate the Efficacy of Dexmedetomidine 50 μg Intravenously and Perineurally As an Adjunct to 0.5% Ropivacaine for Supraclavicular Brachial Plexus Block. apic 2019, 21, 413-419.