1. Centers for Disease Control and Prevention (2002). National Center for Health Statistics. NHANES Website: http://www.cdc.gov/nchs/nhanes.htm. Retrieved August 2002.
2. US Congress (1990). National Nutrition Monitoring and Related Research Act of 1990. Pub. L. 101-445, 101st Congress, Washington, October 22, 1990.
3. US Department of Health and Human Services and US Department of Agriculture (1993). Ten-year comprehensive plan for the National Nutrition Monitoring and Related Research Program. Federal Register, 58:32752–32806. June 11, 1993.
4. US Department of Health and Human Services—US Department of Agriculture Survey Integration Plan (2002). DHHS-USDA Dietary Survey Integration-Frequently Asked Questions. NHANES website: http://www.cdc.gov/nchs/about/major/nhanes/faqs.htm. Dated 10 August 2002.