“Retrospective Study of Hepatitis and Human Immunodeficiency Virus Co-Infections Among Blood Donors in Umuahia, South East, Nigeria”. Sahel Journal of Life Sciences FUDMA 4, no. 3 (September 30, 2026): 534–539. Accessed October 8, 2026. https://saheljls.fudutsinma.edu.ng/index.php/saheljls/article/view/835.