FULTAMBKAR, G.; GAYATHRI, R.; VIJAYANAND, B. A prospective, randomised double blinded comparative study of epidural ropivacaine with fentanyl and ropivacaine with dexmedetomidine in lower limb orthopaedic surgeries in epidural anaesthesia. International Journal of Research in Medical Sciences, [S. l.], v. 12, n. 12, p. 4545–4551, 2024. DOI: 10.18203/2320-6012.ijrms20243704. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/14230. Acesso em: 14 oct. 2025.