PABER, J. E. L. B.; CABATO, M. S. D.; VILLARTA, R. L.; HERNANDEZ, J. G. Radiographic Analysis of the Ethmoid Roof based on KEROS Classification among Filipinos. Philippine Journal of Otolaryngology Head and Neck Surgery, [S. l.], v. 23, n. 1, p. 15–19, 2008. DOI: 10.32412/pjohns.v23i1.763. Disponível em: https://pjohns.pso-hns.org/index.php/pjohns/article/view/763. Acesso em: 7 may. 2024.