5Sothmann, M. S. , & Ismail, A. H. Factor analytic dervation of RHPG/NM ratio: Implications for studying the link between physical fitness and depression [J]. Biology and Psychiatry, 1985,20: 570-583.
6Kjaer, M., & Galbo, H. Effect of physical training on the capacity to secrete epinephrine[J]. Journal of Applied Physiology, 1988,64:11-16.
7Hill,A. B. The environment and disease:Association or causation? [C] Proceedings of the Royal Society of Medicine,1965,58:295-300.
8Sackett, D. L. Rules of evidence and dlinical recommendations on the use of antithrombotic anents[J]. Chest, 1989,95:2-4.
9Jette,M. Progressive physical training on anxiety in middleage men [D]. Unpublished master's thesis. University of Illinois, Champaign, 1967.
10Secton, H. , Maere, A. , & Dahl, N. H. Exercise intensity and reduction in ncurotic symptoms[J]. Acta Psychiatrica Scandinavica, 1989,80: 231-235.