title: Coincidence-counting techniques.
mesh_terms: D006050:Gold Radioisotopes; D007457:Iodine Radioisotopes; D008631:Mercury Radioisotopes; D011874:Radiometry / Q000379:methods*
chemical_list: D006050:Gold Radioisotopes; D007457:Iodine Radioisotopes; D008631:Mercury Radioisotopes