title: Comparison of three methods for the estimation of the conversion factor (ratio PB 131-I: total 131-I) in biological material.
mesh_terms: D004586:Electrophoresis; D006801:Humans; D007456:Iodine Isotopes / Q000097:blood; D013960:Thyroid Function Tests; D013975:Thyroxine-Binding Proteins / Q000097:blood*; D014238:Trichloroacetic Acid; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D007456:Iodine Isotopes; D013975:Thyroxine-Binding Proteins; D014284:Triiodothyronine; D014238:Trichloroacetic Acid