KOUR, G.; SHARMA, S.; SINGH, G. Effectiveness of single shot spinal analgesia with 0.2% ropivacaine in comparison to 0.2% levobupivacaine for labour analgesia. International Journal of Research in Medical Sciences, [S. l.], v. 12, n. 12, p. 4617–4621, 2024. DOI: 10.18203/2320-6012.ijrms20243716. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/14308. Acesso em: 14 oct. 2025.