1. Alexander, F. (1939) Emotional factors in essential hypertension. In: Psychosomatic Medicine Vol. 1/1939, pp. 173–79
2. Brennan, P.J., G. Greenberg, W.E. Miall, S.G. Thompson (1982) Seasonal variation in arterial blood pressure. In: British Medical Journal, Vol. 285/1982, pp. 919–923
3. Brenner, M.H. (1971) Economic change and heart disease mortality. In: American Journal of Public Health, Vol. 61/1971, pp. 606–611
4. Chesney, M.A., G.W. Black (1986) Hypertension: Biobehavioral influences and their implications for treatment. In: Schmidt, T.H, T.M. Dembroski, G. Blümchen (eds.), Biological and psychological factors in cardiovascular disease. Springer-Verlag, Berlin Heidelberg New York, pp. 568–583
5. Christian, P., R. Kropf, H. Kurth (1965) Eine Faktorenanalyse der subjektiven Symptomatik vegetativer Herz- und Kreislaufstörungen. In: Archiv für Kreislaufforschung, Jg. 45/1965, S. 171–194