Anamitra Mandal, Sourav Naiya, Sarbari Swaika, Swarup Datta and Swapnadeep Sengupta 2023. A comparative study on sedative and cardiorespiratory effects of clonidine and dexmedetomidine added to ropivacaine in supraclavicular brachial plexus block in upper extremity surgery. Asian Journal of Medical Sciences. 14, 12 (Dec. 2023), 21–26. DOI:https://doi.org/10.3126/ajms.v14i12.58483.