Obeagu, E., C. Chima, D. Nwosu, J. Dike-Ndudim, C. Ahiara, and E. I. Obeagu. “Comparative Studies on Hepatitis B Virus Infection in Ebonyi State Nigeria Using HBsAg As Indices ”. Madonna University Journal of Medicine and Health Sciences ISSN: 2814-3035, Vol. 2, no. 1, Mar. 2022, pp. 159-84, https://madonnauniversity.edu.ng/journals/index.php/medicine/article/view/43.