M., M.; GOEL, T. A rare case of second branchial fistula with two external openings. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 9, n. 9, p. 738–741, 2023. DOI: 10.18203/issn.2454-5929.ijohns20232524. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/3967. Acesso em: 28 apr. 2026.