1. Physical activity counseling for healthy adults as a primary preventive intervention in the clinical setting: report for the U.S;Harris;Preventive Services Task Force. JAMA.,1989
2. A public health intervention model for work-site health promotion;Blair;Impact on exercise and physical fitness in a health promotion plan after 24 months. JAMA.,1986
3. Efficacy and effectiveness trials (and other phases of research) in the development of health promotion programs;Flay;Prev Med,1986
4. The periodic health exam;Spitzer;Can Med Assoc J,1979