title: Proceedings: The radioimmunoassay of free (diffusible) T3 and T4 concentrations in serum.
mesh_terms: D008722:Methods; D011863:Radioimmunoassay; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine