title: A modification of radiocompetitive binding technique for serial measurements of total blood thyroxine level.
mesh_terms: D000367:Age Factors; D000818:Animals; D006801:Humans; D007457:Iodine Radioisotopes; D007475:Ion Exchange Resins; D008722:Methods; D011485:Protein Binding; D012621:Seasons; D012756:Sheep; D013974:Thyroxine / Q000097:blood*
chemical_list: D007457:Iodine Radioisotopes; D007475:Ion Exchange Resins; D013974:Thyroxine