title: Preliminary evaluation of a collaborative study of the proposed British Standard for hepatitis B surface antigen.
mesh_terms: D006514:Hepatitis B Surface Antigens / Q000032:analysis / Q000592:standards*; D011863:Radioimmunoassay / Q000379:methods; D012015:Reference Standards; D006113:United Kingdom
chemical_list: D006514:Hepatitis B Surface Antigens