M. H. O. Ebar, H. A. M. Abdalla, M. A. A. Osman, and A. Ahmed, “Prevalence of Hepatitis B Core Antibody in Sudanese Random Blood Donors at Khartoum state, 2022”, J. Drug Delivery Ther., vol. 12, no. 6, pp. 44–47, Nov. 2022, doi: 10.22270/jddt.v12i6.5785.