title: Standardization of Free Thyroxine and Harmonization of Thyrotropin Measurements: A Request for Input from Endocrinologists and Other Physicians.
authors.affiliation: 1 Laboratory for Analytical Chemistry, Faculty of Pharmaceutical Sciences, Ghent University , Ghent, Belgium .
authors.forename: Linda M
authors.initials: LM
authors.lastname: Thienpont
authors.affiliation: 2 Department of Clinical Chemistry and Immunology, Montefiore Medical Center , Bronx, New York.|3 Department of Pathology, Albert Einstein School of Medicine , New York, New York.
authors.forename: James D
authors.initials: JD
authors.lastname: Faix
authors.affiliation: 4 International Federation of Clinical Chemistry & Laboratory Medicine, Glasgow , United Kingdom .
authors.forename: Graham
authors.initials: G
authors.lastname: Beastall
mesh_terms: D004704:Endocrinology; D006801:Humans; D011320:Primary Health Care; D012015:Reference Standards; D013959:Thyroid Diseases / Q000175:diagnosis*; D013960:Thyroid Function Tests / Q000592:standards*; D013972:Thyrotropin / Q000097:blood*; D013974:Thyroxine / Q000097:blood*
chemical_list: D013972:Thyrotropin; D013974:Thyroxine