title: [Experimental study on the quantitative assay of HBs-Ag].
mesh_terms: D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D011863:Radioimmunoassay / Q000379:methods*; D011933:Reagent Kits, Diagnostic / Q000592:standards
chemical_list: D006514:Hepatitis B Surface Antigens; D011933:Reagent Kits, Diagnostic