DN BUKBUK; AP BASSI; ZM MANGORO. Sero-prevalence of hepatitis B surface antigen among primary school pupils in rural Hawal valley, Borno State, Nigeria. Journal of Community Medicine & Primary Health Care, [S. l.], v. 17, n. 1, p. 20–23, 2005. DOI: 10.4314/jcmphc.v17i1.32420. Disponível em: https://jcmphc.org/index.php/jcmphc/article/view/237. Acesso em: 21 nov. 2024.