Sakshi, Nidhi Anand, and Deepika Tiwari. 2021. “Comparative Study of Fentanyl Versus Dexmedetomidine With 0.75 Percent Ropivacaine in Supraclavicular Block for Upper Limb Surgery”. International Journal of Health and Clinical Research 4 (21):285-89. https://ijhcr.com/index.php/ijhcr/article/view/3434.