Forbi, Joseph C, Odunayo H Iperepolu, Timothy Zungwe, and Simon M Agwale. 2013. “Prevalence of Hepatitis B E Antigen in Chronic HBV Carriers in North-Central Nigeria”. Journal of Health, Population and Nutrition 30 (4):377-82. https://doi.org/10.3329/jhpn.v30i4.13289.