SA, A.; D, A.; HA, A.; SK, O.; B, A.-M.; GK, O. Risk Exposure to Hepatitis B Infection among Senior Secondary School Students in a Metropolitan City of North-central Nigeria. The Ethiopian Journal of Health Development , [S. l.], v. 30, n. 2, 2017. Disponível em: https://ejhd.org/index.php/ejhd/article/view/780. Acesso em: 17 may. 2021.