JOSHI, S. K.; SINGH, S.; PRASAD, A. Comparative analysis of intrathecal dexmedetomidine and fentanyl as an adjuvant to isobaric levobupivacaine in orthopaedic surgery. International Journal of Health and Clinical Research, [S. l.], v. 3, n. 12(S), p. 257–261, 2020. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/843. Acesso em: 24 feb. 2026.