title: Standardization of FT4 and Harmonization of TSH Measurements--A Request for Input from Endocrinologists and Other Physicians.
authors.affiliation: Director of the Mass Spectrometry Reference Laboratory LAC at Gent University, Belgium. She is chair of the IFCC C-STFT.
authors.forename: L M
authors.initials: LM
authors.lastname: Thienpont
authors.affiliation: Director of Clinical Chemistry and Immunology at Montefiore Medical Center and Clinical Professor of Pathology at the Albert Einstein School of Medicine in New York, NY. He is a member of the IFCC C-STFT.
authors.forename: J D
authors.initials: JD
authors.lastname: Faix
authors.affiliation: Past President at International Federation of Clinical Chemistry & Laboratory Medicine.
authors.forename: G
authors.initials: G
authors.lastname: Beastall
mesh_terms: D005260:Female; D020249:Hormone Replacement Therapy / Q000379:methods* / Q000592:standards*; D006801:Humans; D008297:Male; D013959:Thyroid Diseases / Q000097:blood* / Q000188:drug therapy*; D013974:Thyroxine / Q000097:blood* / Q000627:therapeutic use*
chemical_list: D013974:Thyroxine