Soliman, E. G. L., and A. Q. Y. Pontejos. “Histopathologically Positive Regional Neck Node Metastasis Among Patients With Laryngeal Squamous Cell Carcinoma”. Philippine Journal of Otolaryngology Head and Neck Surgery, vol. 33, no. 1, July 2018, pp. 30-33, doi:10.32412/pjohns.v33i1.27.