EZE, F. .; UWAEZUOKE, M. . Age-structured deterministic model for the dynamics of Hepatitis B Virus in Nigeria incorporating vertical and horizontal transmission. International Journal of Mathematical Analysis and Modelling, [S. l.], v. 8, n. 2, 2026. Disponível em: https://tnsmb.org/journal/index.php/ijmam/article/view/254. Acesso em: 28 jul. 2026.