1. Levy, R. I. and Feinleib, M., 1980, Risk Factors for coronary artery disease and their management in heart disease, in: Textbook of Cardiovascular Medicine ( E. Braunwald, ed.), W.B. Saunders Company, Philadelphia, London, and Toronto, pp. 1246–1278.
2. Kannel, W. B. and Thom, T. J., 1979, Implications of the recent decline in cardio-vascular mortality, Cardiovas. Med. 9: 983–997.
3. Gillum, R. F. and Folsum, A. R., 1984, Decline in coronary heart disease mortality. Old questions and new facts, Am. J. Med. 76: 1055–1065.
4. Pomerance, A., 1976, Pathology of the myocardium and valves, in: Cardiology in Old Age ( F. I. Gaird, J. L. C. Dall, and R. D. Kennedy, eds.), Plenum Press, New York and London, pp. 11–55.
5. Lev, M., 1964, Anatomic basis for atrioventricular block, Am. J. Med. 37: 742–747.