GUPTA, A.; SOFIA, A. S.; SEN, K. Ewing’s sarcoma of sinonasal tract: a rare case. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 6, n. 3, p. 565–567, 2020. DOI: 10.18203/issn.2454-5929.ijohns20200636. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/1876. Acesso em: 28 apr. 2026.