THIMMAIAH KANAKALAKSHMI, Sushma; PRABHU, Manjunath; VARGHESE, Nita  and  PANDEY, Vivek. A randomized comparison between interscalene block and dexmedetomidine for arthroscopic shoulder surgery. Rev. colomb. anestesiol. [online]. 2022, vol.50, n.4.  Epub Oct 10, 2022. ISSN 0120-3347.