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) [Internet]. 2023 May 8 [cited 2024 Oct. 16];1(4):26-48. Available from: https://ijmhr.com/index.php/ijmhr/article/view/12