BUTT, M. F.; BHAT, T. A.; LONE, Z. A.; GUPTA, S.; GHANI, A. Outcome of ganglion impar block in chronic coccydynia. International Journal of Research in Orthopaedics, [S. l.], v. 9, n. 5, p. 952–955, 2023. DOI: 10.18203/issn.2455-4510.IntJResOrthop20232463. Disponível em: https://www.ijoro.org/index.php/ijoro/article/view/2844. Acesso em: 12 oct. 2025.