FELEKE, B. E. Low coverage of hepatitis B vaccine and determinants among health professionals working in Amhara regional state hospitals, Ethiopia. Journal of Public Health in Africa, [S. l.], v. 7, n. 2, 2016. DOI: 10.4081/jphia.2016.553. Disponível em: https://publichealthinafrica.org/jphia/article/view/553. Acesso em: 30 jan. 2023.