AHMAD, S.; ZAHID, S. B.; JAN, A. Z. The impact of parental education and socioeconomic status on routine childhood vaccination: An obsevational study. Journal of Postgraduate Medical Institute, [S. l.], v. 27, n. 3, 2013. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/1391. Acesso em: 23 nov. 2024.