title: The present state of HBsAg detection (without Groupamatic).
mesh_terms: D001322:Autoanalysis / Q000379:methods; D006386:Hemagglutination Tests / Q000379:methods; D006514:Hepatitis B Surface Antigens; D006801:Humans; D007124:Immunoenzyme Techniques; D007841:Latex Fixation Tests / Q000379:methods; D011863:Radioimmunoassay / Q000379:methods
chemical_list: D006514:Hepatitis B Surface Antigens