title: Non-specific and false-negative reactions in detection of HBsAg.
mesh_terms: D004797:Enzyme-Linked Immunosorbent Assay; D005188:False Negative Reactions; D006386:Hemagglutination Tests; D006509:Hepatitis B / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D011863:Radioimmunoassay
chemical_list: D006514:Hepatitis B Surface Antigens