DINESH, A.; PUTHENVEETTIL, N.; NAIR, S. S. A case of post dural puncture headache following labour epidural analgesia, managed by sphenopalatine ganglion block. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 12, p. 3421–3423, 2022. DOI: 10.18203/2320-1770.ijrcog20223147. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/12283. Acesso em: 2 oct. 2025.