title: Letter: Nonspecificity of hepatitis B antigen detected with iodine-125-labeled antibody.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D001782:Blood Donors; D006168:Guinea Pigs / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007122:Immunoelectrophoresis; D007457:Iodine Radioisotopes; D011863:Radioimmunoassay
chemical_list: D006511:Hepatitis B Antigens; D007457:Iodine Radioisotopes