Quiambao, Arnelle Y., and Flordelina E. Pio-Gulapan. “Competency in End-of-Life Care Among ENT – HNS Consultants and Residents: A Multi-Center Study”. Philippine Journal of Otolaryngology Head and Neck Surgery 23, no. 2 (December 27, 2008): 5–13. Accessed May 4, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/725.