title: A radioimmunoassay for serum tri-iodothyronine.
mesh_terms: D006801:Humans; D011863:Radioimmunoassay; D013974:Thyroxine / Q000097:blood; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine