title: Incidence of hepatitis B antigen among Jordanian volunteer blood donors.
mesh_terms: D001782:Blood Donors; D002353:Carrier State; D005260:Female; D006509:Hepatitis B / Q000635:transmission; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007597:Jordan; D008297:Male; D012959:Socioeconomic Factors
chemical_list: D006514:Hepatitis B Surface Antigens