Epidemiological study of hepatitis B virus among immigrants in Khartoum state. Sudan 2021-2022. Greenfort International Journal of Applied Medical Science, [S. l.], v. 4, n. 1, p. 19–33, 2026. DOI: 10.62046/gijams.2026.v04i01.005. Disponível em: https://gijams.in/index.php/gijams/article/view/93. Acesso em: 4 apr. 2026.