1. The relationship of education to blood pressure. Findings on 40 000 employed Chicagoans;Dyer, A.R.; Stamler, J.; Shekelle, R.B.; Schoenberger, J.;Circulation,1976
2. Coronary risk factors and socioeconomic status. The Oslo study;Holme, I.; Helgeland, A.; Hjermann, I.; Lund-Larsen, P.G.; Leren, P.;Lancet,1976
3. Vigorous exercise in leisure-time and the incidence of coronary heart disease;Morris, J.N.; Chave, S.P.W.; Epstein, L.; Sheehan, D.J.;Lancet,1973
4. Ministry of Agriculture, Fisheries and Food. Household Food Consumption and Expenditure 1970 and 1971;National Food Survey Committee,1973
5. Occupational Mortality 197072: Decennial Supplement;General, Registrar,1978