1. Institute of Medicine, Food and Nutrition Board. Dietary Reference Intakes: Applications in dietary assessment. Available at: http://www.nap.edu/books/0309071836/html. Accessed August 21, 2006.
2. Nutrition and Your Health: Dietary Guidelines for Americans 2005,2005
3. US Department of Health and Human Services. Tracking Healthy People 2010. Available at: http://www.cdc.gov/nchs/hphome.htm. Accessed July 7, 2005.
4. US Department of Agriculture. MyPyramid. Available at: http://www.mypyramid.gov. Accessed July 22, 2005.
5. Partitioning macronutrient intake estimates from a food frequency questionnaire;Flegal;Am J Epidemiol,1990