Gloria, J.D.L.S. 2013. Extragnathic Sinonasal Ameloblastoma: A Rare Benign Intranasal Tumor with Malignant Features. Philippine Journal of Otolaryngology Head and Neck Surgery. 28, 1 (Jun. 2013), 19–23. DOI:https://doi.org/10.32412/pjohns.v28i1.497.