COMPARATIVE EFFICACY OF DEXMEDETOMIDINE AS AN ADJUVANT TO BUPIVACAINE VERSUS BUPIVACAINE ALONE IN PROLONGING POSTOPERATIVE ANALGESIA AND SEDATION FOLLOWING SUPRACLAVICULAR BRACHIAL PLEXUS BLOCK. (2026). Frontier in Medical and Health Research, 4(3), 1837-1848. https://fmhr.net/index.php/fmhr/article/view/3403