1. United Nations International Children's Emergency Fund. The state of the world's children 1995. New York: Oxford University Press, 1995.
2. Hetzel BS, Pandav CS. SOS for a billion: the conquest of iodine deficiency disorders. New York: Oxford University Press, 1994.
3. World Health Organization/United Nations International Children's Emergency Fund /International Council for Control of Iodine Deficiency Disorders. Indicators for assessing iodine deficiency disorders and their control through salt iodization. Geneva: World Health Organization, 1994.
4. Stanbury JB, ed. The damaged brain of iodine deficiency. New York: Cognizant Communication, 1994.
5. Merke F. History and iconography of endemic goitre and cretinism. Berne, Switzerland: Huber 1984.