1. Coronary heart-disease and physical activity of work;Morris, J.N.; Heady, J.A.; Raffle, P.A.B.; Roberts, C.G.; Parks, J.W.;Lancet,1953
2. Mortality in circulatory diseases, especially ischemic heart disease, among Swedish professional drivers: a retrospective cohort study;Hedberg, G.; Jacobsson, K.A.; Langendoen, S.; Nystrom, L.;J Hum Ergol (Tokyo),1991
3. Incidence of myocardial infarction and mortality from specific causes among bus drivers in Sweden;Alfredsson, L.; Hammar, N.; Hogstedt, C.;Int J Epidemiol,1993
4. Risk of coronary heart disease in middle-aged male bus and tram drivers compared to men in other occupations: a prospective study;Rosengren, A.; Anderson, K.; Wilhelmsen, L.;Int_J Epidemiol,1991
5. Mortality among urban bus drivers;Michaels, D.; Zoloth, SR,1991