Gupta, V. K., Saini, V. K., Khandelwal, M., & Kumar, D. (2021). A comparative study of fentanyl versus dexmedetomedine as adjutants to ropivacaine in supraclavicular brachial plexus block in patients undergoing elective upper limb surgery: A Double-blind, Prospective, and Randomized Study. International Journal of Health and Clinical Research, 4(6), 229–236. Retrieved from https://ijhcr.com/index.php/ijhcr/article/view/1255