1. Surgeon General's Report: Promoting HealtbPreventing Disease, 1990 Objectives for the Nation;U.S. Department of Health and Human Services,1980
2. Assessment of physical activity in Epidemiologic research: problems and prospects;LaPorte;Public Health Rep,1985
3. Physical activity, behavioral epidemiology, and public health;Mason;Public Health Rep,1985
4. Data requirements to measure progress on the objectives for the nation in health promotion and disease prevention;Green;Am J Public Health,1983