title: Determination of subtypic specificities of HBsAg by hemagglutination inhibition and radioimmunoassay.
mesh_terms: D000939:Epitopes; D006385:Hemagglutination Inhibition Tests; D006511:Hepatitis B Antigens / Q000145:classification*; D011863:Radioimmunoassay
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens