Lapeña, José Florencio F. “Impact, Not Just Impact Factor: Responding to the Manila Declaration on the Availability and Use of Health Research Information”. Philippine Journal of Otolaryngology Head and Neck Surgery 30, no. 2 (December 2, 2015): 4–5. Accessed November 23, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/331.