title: Parameters affecting a rapid method in which Sephadex is used to determine the percentage of free thyroxine in serum.
mesh_terms: D003911:Dextrans; D003956:Dialysis; D005069:Evaluation Studies as Topic; D005782:Gels; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007457:Iodine Radioisotopes; D008722:Methods; D013974:Thyroxine / Q000097:blood*
chemical_list: D003911:Dextrans; D005782:Gels; D007457:Iodine Radioisotopes; D013974:Thyroxine