1. Allen, L., de Benoist, B., Dary, O., et al. (2006). Guidelines on food fortification with micronutrients. Geneva: World Health Organization.
2. Al-Moussa, M., & Berk, J. S. (1986). Histometry of thyroid containing few and multiple nodules. Journal of Clinical Pathology, 39, 483.
3. LiVolsi, L. A., & Asa, S. L. (2002). Endocrine pathology. Philadelphia: Churchill Livingstone.
4. Nikiforov, Y. E., Biddinger, P. W., & Thompson, L. D. R. (2009). Diagnostic pathology and molecular genetics of the thyroid. A comprehensive guide for practicing thyroid pathology. Baltimore/Philadelphia: Lippincott Williams & Wilkins.
5. Sapino, A., Papotti, M., Macri, L., et al. (1995). Intranodular reactive endothelial hyperplasia in adenomatous goiter. Histopathology, 26, 457–462.