Liwikasari, Nancy. “Gambaran Tipe Sinus Sigmoid Penderita Otitis Media Supuratif Kronik (Tinjauan High-Resolution Computed Tomography)”. Medica Hospitalia : Journal of Clinical Medicine 3, no. 3 (September 16, 2017). Accessed January 31, 2025. https://medicahospitalia.rskariadi.co.id/index.php/mh/article/view/231.