IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-12-32585 Original Research Paper COMPARISON OF EFFICACY OF ADDING DEXMETEDOMINE VERSUS FENTANYL TO BUPIVACAINE IN USG GUIDED BRACHIAL PLEXUS BLOCK. Patel Kiran B Dr. Dr. Mona v. Bilandani Dr. Dr. S.M. Suresh Babu Dr. December 2020 9 12 01 02