References
- Association for Clinical Biochemistry, British Thyroid Foundation. 2006 UK guidelines for the use of thyroid function tests. Accessed November 2010 from: http://www.acb.org.uk/site/guidelines.asp
- Gruters A, Jenner A, Krude H. Long-term consequences of congenital hypothyroidism in the era of screening programmes. Best Pract Res Clin Endocrinol Metab 2002;16: 369–82.
- Oerbeck B, Sundet K, Kase BF, Heyerdahl S. Congenital hypothyroidism: influence of disease severity and L-thyroxine treatment on intellectual, motor, and school-associated outcomes in young adults. Pediatrics 2003;112: 923–30.
- Policies and standards for newborn blood spot screening. April 2005. Accessed November 2010 from: http://newborn bloodspot.screening.nhs.uk/standards.
- Demers L, Spencer C. Laboratory medicine practice guidelines. Laboratory support for the diagnosis and monitoring of thyroid disease. Thyroid 2003;1:1–126.
- Van Gilet G. Treatment of congenital hypothyroidism. Lancet 2001;358:86–7.
- Reference intervals for children and adults. Elecsys thyroid tests. Mannheim, Germany: Roche Diagnostics, 2003.
- Reference intervals for children and adults. Elecsys thyroid tests. Mannheim, Germany: Roche Diagnostics, 2005; 5.
- Zurakowski D, Di Canzio J, Majzoub JA. Pediatric reference ranges for serum thyroxine, triodothyronine, thyrotropin and free thyroxine. Clin Chem 1999;45:1087–91.
- Kapelari K, Kirchlechner C, Högler W, Schweitxer K, Virgolini I, Moncayo R. Paediatric reference intervals for thyroid hormone levels from birth to adulthood: a retrospective study. BMC Endocrine Disorders 2008;8:15.
- Khun Chan M, Seiden-Long Isolde, Adeli K. Canadian Laboratory Initiative on Pediatric Reference Interval Database (CALIPER): pediatric reference intervals for an integrated clinical chemistry and immunoassay analyzer, Abbott ARCHITECT ci8200. Clin Biochem 2009;42: 885–91.
- Elmlinger MW, Kuhnel W, Lambrecht HG, Ranke MB. Reference intervals from birth to adulthood for serum thyroxine (T4), triiodothyronine (T3), free T3, free T4, thyroxine binding globulin (TBG) and thyrotropin (TSH). Clin Chem Lab Med 2001;39:973–9.
- Hübner U, Englisch C, Werkmann H, Butz H, Georgs T, Zabransky S, Herrmann W. Continuous age-dependent reference intervals for thyroid hormones in neonates, infants, children and adolescents established using the ADVIA Centaur Analyser. Clin Chem Med Lab 2002;40:1040–47.
- Anderson A, Zimmermann MB. Influence of iodine deficiency and excess on thyroid function tests. Brent GA. Thyroid function testing. New York: Springer, 2010; 45–69.
- Becket G, MacKenzie F. Thyroid guidelines – are thyroid-stimulating hormone assays fit for purpose? Ann Clin Biochem 2007;44:203–8.
- AutoDELFIA Neonatal hTSH. Instructions for use. B032-312. Perkin Elmer®. Perkin Elmer Life and Analytical Sciences, Wallac Oy, Mustionkatu 6, Turku, Finland.
- Green A, Morgan I, Gray J. Neonatology & laboratory medicine. United Kingdom, ACB Venture Publications, 2003: 11.
- Hoffbrand AV, Pettit JE. Essential haematology, 3rd. Oxford, UK: Blackwell Scientific Publications, 1993; 419.