References
- Food and Drug Administration, Recommendations for Chemistry Data for Indirect Food Additive Petitions. Washington, DC September, 1988, revised March 1993
- Human Nutrition Information Service, USDA. Nationwide Food Consumption Survey: Continuing Survey of Food Intakes by Individuals 1989—90 Dataset. Hyattsville, MD 1992
- Human Nutrition Information Service, USDA. Nationwide Food Consumption Survey: Continuing Survey of Food Intakes by Individuals 1990—91. Dataset. Hyattsville, MD 1993
- Human Nutrition Information Service, USDA. Nationwide Food Consumption Survey: Continuing Survey of Food Intakes by Individuals 1991—92. Dataset. Hyattsville, MD 1994