Elsheikh Mahgoub, Abdullahi, Yassir Hamadalnil, Osama Mohammed, Rasha Nakhleh, and Musa Mohamed Khair. 2020. “A Cross-Sectional Study on Hepatitis B Immune Status Among Vaccinated Healthcare Workers in Khartoum, Sudan”. Sudan Journal of Medical Sciences (SJMS) 15 (1), 35-42. https://doi.org/10.18502/sjms.v15i1.6700.