Poliomyelitis Eradication Program in the Philippines. Acta Medica Philippina, [S. l.], v. 49, n. 1, 2015. DOI: 10.47895/amp.v49i1.1003. Disponível em: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/1003. Acesso em: 17 apr. 2025.