1. Vegetables, fruit, and cancer prevention;Steinmetz;J Am Diet Assoc.,1996
2. Fruit and vegetables, and cardiovascular disease;Ness;Int J Epidemiol.,1997
3. Cleveland LE, Cook AJ, Wilson JW, Friday JE, Ho JW, Chahil PS. Pyramid Servings Data: Results from USDA's 1994 Continuing Survey of Food Intakes by Individuals. Riverdale, Md: Food Surveys Research Group, Beltsville Human Nutrition Research Center, Agricultural Research Service, US Dept of Agriculture; 1997:121.
4. Fruit and vegetable intakes of children and adolescents in the United States;Krebs-Smith;Arch Pediatr Adolesc Med.,1996
5. Food intakes of US children and adolescents compared with recommendations;Munoz;Pediatrics.,1997