1.
Odita O, Obichukwu N, Chukwuka J, Egbuonu I, Okeke K. Prevalence and vaccination status of hepatitis b surface antiginaemia among secondary school children in Onitsha. Orient J Med [Internet]. 2023 Jan. 12 [cited 2024 Dec. 22];35(1-2):10. Available from: https://orientjom.org.ng/index.php/ojm/article/view/33