1Hambrecht R,Niebauer J,Marburger C,et al.Various intensities of leisure time physical activity in patients with coronary artery disease:effects on cardiorespiratory fitness and progression of coronary atherosclerotic lesions.Am Coll Cardiol, 1993,22:468-477.
2Slattery ML,Jacobs DR Jr,Nichaman MZ.Leisure time physical activity and coronary heart disease death.Circulation,1989,79:304-311.
3Paffenbarger RS Jr,Hyde RT, Wing AL,et al.Physical activity,all-cause mortality,and longevity of college alumni.N Engl Med,1986,314:605-613.