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Clinical Chemistry and Laboratory Medicine (CCLM)

Published in Association with the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM)

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Measurement of free thyroxine in laboratory medicine – proposal of measurand definition

International Federation of Clinical Chemistry and Laboratory Medicine (IFCC), IFCC Scientific Division: Working Group for Standardization of Thyroid Function Tests (WG-STFT): Linda M. Thienpont1 / Graham Beastall2 / Nicholas D. Christofides3 / James D. Faix4 / Tamio Ieiri5 / W. Greg Miller6 / Richard Miller7 / Jerald C. Nelson8 / H. Alec Ross9 / Cathérine Ronin10 / Michael Rottmann11 / Jos H. Thijssen12 / Brigitte Toussaint13

1Laboratory for Analytical Chemistry, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium

2Department of Clinical Biochemistry, Royal Infirmary, Glasgow, UK

3Research and Development, Ortho-Clinical Diagnostics, Cardiff Laboratories, Whitchurch, UK

4Stanford Medical School, Palo Alto, CA, USA

5Department of Clinical Laboratory Medicine, Dokkyo University School of Medicine, Japan

6Department of Pathology, Virginia Commonwealth University, Richmond, VA, USA

7Dade Behring Inc., Newark, DE, USA

8Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, USA

9Department of Chemical Endocrinology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands

10Laboratoire de Neurobiologie, Centre National de la Recherche Scientifique, Marseille, France

11Roche Diagnostics GmbH, Penzberg, Germany

12Laboratory of Endocrinology, University Medical Centre Utrecht, Utrecht, The Netherlands

13Institute for Reference Materials and Measurements, Joint Research Centre, European Commission, Geel, Belgium

Corresponding author: Prof. Linda Thienpont, Laboratory for Analytical Chemistry, Ghent University, Harelbekestraat 72, 9000 Gent, Belgium Phone +32-9-2648104, Fax +32-9-2648198,

Citation Information: Clinical Chemical Laboratory Medicine. Volume 45, Issue 4, Pages 563–564, ISSN (Online) 14346621, ISSN (Print) 14374331, DOI: 10.1515/CCLM.2007.099, April 2007

Publication History

Published Online:

Keywords: free thyroxine; measurand; plasma; serum

Citing Articles

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Clinical Chemistry and Laboratory Medicine, 2011, Volume 49, Number 10
Sofie K. Van Houcke, Katleen Van Uytfanghe, Eri Shimizu, Wataru Tani, Masao Umemoto, and Linda M. Thienpont
Clinical Chemistry and Laboratory Medicine, 2011, Volume 49, Number 8
International Federation of Clinica Thienpont, Graham Beastall, Nicholas D. Christofides, James D. Faix, Tamio Ieiri, Véronique Jarrige, W. Greg Miller, Richard Miller, Jerald C. Nelson, Cathérine Ronin, H. Alec Ross, Michael Rottmann, Jos H. Thijssen, and Brigitte Toussaint
Clinical Chemical Laboratory Medicine, 2007, Volume 45, Number 7
M. Bauer, T. Goetz, T. Glenn, and P. C. Whybrow
Journal of Neuroendocrinology, 2008, Volume 20, Number 10, Page 1101

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