Prevalence and Potential Risk Factors of Hepatitis B Virus in a Sample of Children in two Selected Areas in Yemen. Global Journal of Medical Research, [S. l.], v. 19, n. C1, p. 27–32, 2019. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/1811. Acesso em: 21 feb. 2026.