SWATHI GAJJI; R.RAJESHWAR REDDY. Comparative study of epidural 0.2% ropivacine and fentanyl with 0.2% levobupivacine and fentanyl for postoperative pain relief for modified radical mastectomy. International Journal of Health and Clinical Research, [S. l.], v. 5, n. 1, p. 673–679, 2022. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/5136. Acesso em: 7 apr. 2026.