1. Hetzel B.S. Iodine deficiency disorders and their eradication. Lancet 1983, 2: 1126–1129.
2. WHO/UNICEF/ICCIDD. Global prevalence of iodine deficiency disorders. MDIS Working Paper No. I. Micronutrient Deficiency Information System. Geneva, World Health Organization, 1993.
3. Emami A., Shahbazi H., Sabzevari M., et al. Goiter in Iran. Amer. J. Clin Nutr. 1969, 22: 1584–1588.
4. Azizi F., Kimiagar M., Bastani J., Navai L., Ghazanfari F. Evaluation of goiter in Shariar. J. Beheshti Med. Sch. 1985, 9: 75–80, (Farsi).
5. Azizi F., Kimiagar M., Navai L., Nafarabadi M. Goiter in Tehran and suburbs In: Vjichayanart A., et al. (Eds.), Recent progress in thyroidology. Proceedings of the third Asia and Oceania Thyroid Association meeting. Dec. 4-6 1986, p. 388–391.