June 2011 references and further reading
Reduce salt — get your iodine elsewhere
Markel H. "When it rains it pours": endemic goiter, iodized salt, and David Murray Cowie, MD. American Journal of Public Health 1987; 77:219-29.
Dasgupta PK, Liu Y, Dyke JV. Iodine nutrition: iodine content of iodized salt in the United States. Environmental Science and Technology 2008; 42:1315-23.