title: [Concentration test for determination of low-level HBsAg in donors with anti-HBc].
mesh_terms: D001782:Blood Donors; D004797:Enzyme-Linked Immunosorbent Assay; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006512:Hepatitis B Core Antigens / Q000276:immunology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans
chemical_list: D006510:Hepatitis B Antibodies; D006512:Hepatitis B Core Antigens; D006514:Hepatitis B Surface Antigens
vernacular_title: Test di concentrazione per l'individuazione dell'HBs Ag "low level" in donatori con anti-HBc.