PEREZ TORRES, Carlos; ARCINIEGAS, Saul Oñate; MEDINA, Luz Karime Noriega. Unusual evolution of frontal sinusitis. Pott´s puffy tumor. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 54, n. 4, p. 275–278, 2017. DOI: 10.34631/sporl.626. Disponível em: https://www.journalsporl.com/index.php/sporl/article/view/2823. Acesso em: 8 nov. 2026.