SENAN, P et al. Poliomyelitis vaccination status among children in the Federal Territory of Kuala Lumpur 2007. Western Pacific Surveillance and Response, Manila, Philippines, v. 2, n. 3, 2013. DOI: 10.5365/wpsar.2010.1.1.014. Disponível em: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/124. Acesso em: 3 jun. 2026.