Comparison of Effectiveness between Dexamethasone and Clonidine as an Adjuvant to Bupivacaine for Ultrasound-Guided Supraclavicular Brachial Plexus Block in Patients undergoing Upper Limb Surgery. Journal of Enam Medical College, [S. l.], v. 13, n. 1, p. 10–21, 2026. DOI: 10.3329/jemc.v13i1.81959. Disponível em: https://banglajol.info/index.php/JEMC/article/view/81959. Acesso em: 5 jul. 2026.