HALAWANI, R. T.; YOSSEF, T. Mastoid cholesterol granuloma: a case presentation. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 2, n. 4, p. 271–273, 2016. DOI: 10.18203/issn.2454-5929.ijohns20163479. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/171. Acesso em: 17 jan. 2026.