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2. The relationship of reported coronary disease mortality to physical activity at work;Kahn, H.A.;Health,1963
3. Work activity of longshoremen as related to death from coronary heart disease and stroke;Paffenbarger, R.S.; Laughlin, M.E.; Gima, A.S.; Black, R.A.;NEngliAled,1970
4. Vigorous exercise in leisure-time and the incidence of coronary heart disease;Morris, J.N.; Chave, S.P.W.; Adam, C.; Sirey, C.; Apstein, L.;Laneet,1973
5. Physical actisvitv and the incidence of coronarv heart disease;Powell, K.E.; Thompson, P.D.; Casperen, C.J.; Kendrick, J.S.;Anipiii Rev I'Public Health,1987