SYED ABID ALI; GANDHAY MADHAVI; KOTA RAJU; RONTALA SARAIAH. To compare the efficacy of fentanyl versus dexmedetomidine as adjuvant to 0.5% bupivacaine in ultrasound guided supraclavicular brachial plexus block in upper limb surgeries. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 15, p. 391–396, 2021. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/2566. Acesso em: 23 feb. 2025.