GANVIR, M. S.; PATKAR, G. A.; PARIKH, D. A.; TENDOLKAR, B. A. A comparative study of ropivacaine 0.75% and bupivacaine 0.5% for segmental epidural anaesthesia in patients undergoing percutaneous nephrolithotomy. International Journal of Research in Medical Sciences, [S. l.], v. 4, n. 8, p. 3198–3204, 2017. DOI: 10.18203/2320-6012.ijrms20162215. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/1104. Acesso em: 12 oct. 2025.