U.S. Department of Agriculture, Agricultural Research Service. 2011. Methodology and User Guide for the Food Intakes Converted to Retail Commodities Databases: CSFII 1994-1996 and 1998; NHANES 1999-2000; WWEIA, NHANES 2001-2002. Available: www.ars.usda.gov/Services/docs.htm?docid=21994.
U.S. Department of Agriculture, Agricultural Research Service. 2011. Retail food commodity intakes: Mean amounts of retail commodities per individual, 1994-1998. Available: www.ars.usda.gov/Services/docs.htm?docid=21992.
U.S. Department of Agriculture, Agricultural Research Service. 2011. Retail food commodity intakes: Mean amounts of retail commodities per individual, 1999-2000. Available: www.ars.usda.gov/Services/docs.htm?docid=21992.
U.S. Department of Agriculture, Agricultural Research Service. 2011. Retail food commodity intakes: Mean amounts of retail commodities per individual, 2001-2002. Available: www.ars.usda.gov/Services/docs.htm?docid=21992.