S., K. K.; RAO, K. The efficacy of epidural ropivacaine 0.75% and levobupivacaine 0.5% in abdominal and lower limb surgeries- a comparative study. International Journal of Research in Medical Sciences, [S. l.], v. 4, n. 9, p. 4101–4107, 2016. DOI: 10.18203/2320-6012.ijrms20162942. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/198. Acesso em: 15 oct. 2025.