title: Donor screening for anti-HBs.
mesh_terms: D006509:Hepatitis B / Q000517:prevention & control*; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006514:Hepatitis B Surface Antigens / Q000276:immunology*; D006801:Humans; D011863:Radioimmunoassay
chemical_list: D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens