1. Langman's Medical Embryology;Sadler,1995
2. The pineal, pituitary, parathyroid, thyroid and adrenal glands;Conran,2001
3. An intra thyroidal thyroglossal cyst;Pacrez-Martanez;Eur. J. Pediatr. Surg.,2005
4. Intrathyroid cysts of thyroglossal duct origin;North;Am. Surg.,1998
5. Atypical thyroglossal duct cyst: a rare cause for a solitary cold thyroid nodule in childhood;McHenry;Am. Surg.,1993