MUKTAR, H.; SULEIMAN, A.; JONES, M. Safety of blood transfusion: prevalence of hepatitis B surface antigen in blood donors in Zaria, Northern Nigeria. Nigerian Journal of Surgical Research, [S. l.], v. 7, n. 3, p. 290–292, 2006. DOI: 10.4314/njsr.v7i3.12299. Disponível em: https://www.ajol.info/index.php/njsr/article/view/12299. Acesso em: 23 oct. 2026.