1. The thyroid gland;Greenspan,2004
2. The thyroid: physiology, thyrotoxicosis, hypothyroidism and the painful thyroid;Utiger,2001
3. Hypothyroidism and myxedema coma;Weirsinga,2006
4. Evaluation of the adequacy of levothyroxine replacement therapy in patients with central hypothyroidism;Ferretti;J Clin Endocrinol Metab.,1999
5. Thyroid hormone replacement for central hypothyroidism: a randomized controlled trial comparing two doses of thyroxine (T4) with a combination of T4 and triiodothyronine;Slawik;J Clin Endocrinol Metab,2007