1. Vigorous exercise in leisure-time: Protection against coronary heart disease;Morris;Lancet,1980
2. Physical activity and the incidence of coronary heart disease;Powell;Annu. Rev. Public Health,1987
3. A meta-analysis of physical activity in the prevention of coronary heart disease;Berlin;Am. J. Epidemiol.,1990
4. Physical activity, fitness, and health. Proceedings and consensus statement;Bouchard,1993
5. Physical Activity and Health. A report of the Surgeon General, U.S. Department of Health and Human Services, Center for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, The President’s Council on Physical Fitness and Sports, 1996.