WADOOD, M. Z. POLIO ERADICATION IN PAKISTAN: NOT AS FAR AS IT SEEMS. Journal of Postgraduate Medical Institute, [S. l.], v. 28, n. 4, 2015. Disponível em: https://www.jpmi.org.pk/index.php/jpmi/article/view/1748. Acesso em: 6 jul. 2022.