PRADEEP KUMAR DAS; JAYACHANDRA TENTU; BHYRAVAJOSULA KOUMUDI; DANDA VIJAYA KUMAR. Comparative study of Bupivacaine and Ropivacaine in combination with fentanyl for Epidural anaesthesia in labour- A Randomized Controlled Trial. International Journal of Health and Clinical Research, [S. l.], v. 5, n. 1, p. 179–182, 2022. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/3972. Acesso em: 13 dec. 2025.