Krishnan, Dr U Anand, et al. “Dexmedetomidine As An Adjuvant To Levobupivacaine In Ultrasound-Guided Supraclavicular Brachial Plexus Block For Upper-Limb Orthopaedic Surgery: A Prospective Randomized Double-Blind Study”. Adolescência E Saúde, Sept. 2026, pp. 152-6, doi:10.67440/ahj.vi.1965.