title: Inaccuracies in free thyroid hormone measurement by ultrafiltration and tandem mass spectrometry.
authors.forename: Nic D
authors.initials: ND
authors.lastname: Christofides
authors.forename: John E M
authors.initials: JE
authors.lastname: Midgley
mesh_terms: D006801:Humans; D011485:Protein Binding; D053719:Tandem Mass Spectrometry; D013974:Thyroxine / Q000097:blood*; D013975:Thyroxine-Binding Proteins / Q000378:metabolism; D014284:Triiodothyronine / Q000097:blood*; D014462:Ultrafiltration
chemical_list: D013975:Thyroxine-Binding Proteins; D014284:Triiodothyronine; D013974:Thyroxine