1. (This list contains only the most important and
2. publications containing further References.) 1. FRIEDBERG, C. K.: Diseases of the Heart. Ed. 2. Philadelphia;W. B. Saunders Co.,1956
3. Some clinical and physiologic aspects of angina pectoris;HARRISON T. R.;Bull. Johns Hopkins Hosp.,1959
4. Coronary artery disease and the "two-step exercise test." New York State J;MASTER A. M.;Med.,1957
5. The electrocardiographic exercise test