KUMAR, V. Study of Intrathecal Dexmedetomidine and Fentanyl as an Supporting to isobaric Levobupivacaine for Lower Limb Orthopaedic Surgery. International Journal of Health and Clinical Research, [S. l.], v. 3, n. 4, p. 97–102, 2020. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/135. Acesso em: 24 feb. 2026.