1. Vigorous exercise in leisure-time and the incidence of coronary heart disease;Morris, J.N.; Chave, S.P.N.; Adam, C.; Sirey, C.; Epstein, L.; Sheehan, D.;Lancet,1973
2. Work activity and coronary heart mortality;Paffenbarger, R.S.; Hale, W.E.;N EnglJ7 Med,1975
3. Physical activity as an index of heart attack risk in college alumni;Paffenbarger, R.S.; Wing, A.L.; Hyde, R.T.;Am J Epidemiol,1978
4. ;iii:507-9.
5. Physical fitness levels vs selected coronary risk factors;Cooper, K.H.; Pollock, M.L.; Martin, R.P.; White, SR, Linnerud; AD, Jackson; A.;JAMA,1976