1. 2. Organização Mundial de Saúde (OMS) 1998 Elementos Traço na Nutrição e Saude. Rocco, São Paulo, Brazil.
2. 3. Food and Nutrition Board 2001 Dietary reference intakes for vitamin A, vitamin K, arsenic, boron chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicone, vanadium and zinc. National Academies Press, Washington, DC, pp 258–289.
3. 4. World Health Organization/International Council for the Control of the Iodine Deficiency Disorders/United Nations Children's Fund 2001 Assessment of iodine deficiency disorders and monitioring their elimination- a guide for programme managers, 2nd edition. World Health Organization, Geneva, Switzerland.
4. Endemic Goitre—Iodine Deficiency Disorders