NASIR, J. A.; IMRAN, M.; ZAIDI, S. A. A.; REHMAN, N. U. KNOWLEDGE AND PERCEPTION ABOUT POLIO VACCINATION APPROVAL AMONG RELIGIOUS LEADERS. Journal of Postgraduate Medical Institute, [S. l.], v. 31, n. 1, 2017. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/1798. Acesso em: 19 aug. 2022.