D. U. A. Krishnan, D. S. B, and D. A. Yesudas, “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, pp. 152–162, Sep. 2026.