title: Evaluation of alternative counting methods for radioimmunoassay of hepatitis-associated antigen (HB-Ag).
mesh_terms: D005069:Evaluation Studies as Topic; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007457:Iodine Radioisotopes; D008722:Methods; D011863:Radioimmunoassay; D012588:Scintillation Counting; D012995:Solubility; D013997:Time Factors
chemical_list: D006511:Hepatitis B Antigens; D007457:Iodine Radioisotopes