title: Specificity of tests for antibody to hepatitis B surface antigen in patients with concomitant antibody and antigen.
mesh_terms: D000918:Antibody Specificity; 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