1. Berlin JA, Colditz GA: A meta-analysis of physical activity in the prevention of coronary heart disease. Am J Epidemiol 1990, 132:612–628.
2. Pate RR, Pratt M, Blair SN, et al.: Physical activity and public health. A recommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine. JAMA 1995, 273:402–407.
3. U.S. Department of Health and Human Services: Physical activity and health: a report of the Surgeon General. Vol. S/N 017-023-00196-5. Atlanta, GA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion; 1996.
4. Institute of Medicine: Dietary reference intakes for energy, carbohydrates, fiber, fat, protein, and amino acids. Washington DC: The National Academies Press; 2002.
5. Schoenborn CA, Barnes PM: Leisure-time physical activity among adults: United States, 1997–98. Advance data from vital and health statistics; no. 325. Hyattsville, Maryland: National Center for Health Statistics; 2002.