Effects Of Bupivacaine And Buprenorphine On Postoperative Analgesia In A Nerve Stimulator-Guided Supraclavian Plexus Block: A Randomised, Double-Blind Comparison Study. Innovative Journal of Medical and Healthcare Research (IJMHR) 2023, 1 (4), 26-48. https://doi.org/10.61808/ijmhr12.