HAGAN, O. C.; NSIAH, P.; OBIRI-YEBOAH, D.; YIRDONG, F.; ANNAN, I.; ELIASON, S.; NUVOR, S. V. Impact of universal childhood vaccination against hepatitis B in Ghana: A pilot study. Journal of Public Health in Africa, [S. l.], v. 9, n. 2, 2018. DOI: 10.4081/jphia.2018.721. Disponível em: https://www.publichealthinafrica.org/jphia/article/view/721. Acesso em: 29 mar. 2024.