title: Comparison of radioisotopic T-3 and T-4 kits.
mesh_terms: D007457:Iodine Radioisotopes; D008722:Methods; D011868:Radioisotopes; D013974:Thyroxine / Q000592:standards*; D014284:Triiodothyronine / Q000592:standards*
chemical_list: D007457:Iodine Radioisotopes; D011868:Radioisotopes; D014284:Triiodothyronine; D013974:Thyroxine