1. Mathers C, Vos T, Stevenson C. Burden of disease and injury in Australia. Report No: PHE 17. Canberra: Australian Institute of Health and Welfare; 1999.
2. The costs of illness attributable to physical inactivity;Stephenson,2000
3. Public health surveillance of physical activity;Macera;Res Q Exerc Sport,2000
4. US Department of Health and Human Services. Physical activity and health: a report of the Surgeon General. Atlanta: Department of Health and Human Services Center for Disease Control and Prevention and National Center for Chronic Disease Prevention and Health Promotion; 1996.
5. Physical Activity and public health. A recommendation from the Center for Disease Control and Prevention and the American College of Sports Medicine;Pate;JAMA,1995