Qasam, S. (2023). Prevalence of Hepatitis B Surface Antigen, Hepatitis B Core Antibody and Hepatitis C Antibody among Blood Donors at National Blood Transfusion &Research Center in Sana’a City. Al-Razi University Journal for Medical Sciences, 7(2). https://doi.org/10.51610/rujms7.2.2023.194