1. NHANES – National Health and Nutrition Examination Surveys. Available at http://www.cdc.gov/nchs/nhanes.htm
2. WHO. Ministerial Conference on Counteracting Obesity. European Charter on Counter-acting Obesity. EUR/06/5062700/8. Istanbul, Copenhagen, WHO. Regional Office for Europe, November 16, 2006
3. Caballero B. A nutrition paradox-underweight and obesity in developing countries. N Engl J Med 2005; 352(15): 1514
4. ENNYS – Encuesta Nacional de Nutrición y Factores de Riesgo. Ministerio de Salud, Buenos Aires, 2004
5. INTA – Instituto de Nutrición y Tecnología de los Alimentos. Universidad de Chile, Santiago, 2004