Lapiña, Gerard F., and Samantha S. Castañeda. “Diagnostic-To-Treatment Interval and Disease Progression Among Head and Neck Cancer Patients Undergoing Surgery”. Philippine Journal of Otolaryngology Head and Neck Surgery 32, no. 1 (June 29, 2017): 33–36. Accessed April 28, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/175.