title: Is the dilution experiment a valid technique for assessing the validity of free thyroxin assay?
mesh_terms: D006801:Humans; D011863:Radioimmunoassay; D011865:Radioisotope Dilution Technique; D011933:Reagent Kits, Diagnostic; D013974:Thyroxine / Q000097:blood*
chemical_list: D011933:Reagent Kits, Diagnostic; D013974:Thyroxine