Manzoor, S., and M. Ara. “Comparison of Dexmedetomidine and Dexamethasone Used As Adjuvant to Ropivacaine in Ultrasound-Guided Supraclavicular Brachial Plexus Block: An Observational Study”. Academia Anesthesiologica International, Vol. 7, no. 1, June 2022, pp. 57-60, https://aijournals.com/index.php/aan/article/view/2465.