IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-13-1-54232 Original Research Paper A Comparative Study To Evaluate The Effect Of Morphine & Buprenorphine As An Adjuvant To 0.5% Ropivacaine In Supraclavicular Brachial Plexus Blockade And Postoperative Analgesia Heena Shaikh Dr. Dr. Ashish Mathur Dr. January 2024 13 1 01 02