Santiago, Marc Reinald G., and Natividad A. Almazan. “Gradenigo Syndrome”. Philippine Journal of Otolaryngology Head and Neck Surgery 23, no. 2 (December 27, 2008): 46–48. Accessed November 22, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/747.