REFERENCES
- Shaffer, C. F. and Chapman, D. W.: Correlative Cardiology. Philadelphia and London, W. B. Saunders Company, 1952, p. 434.
- Barker, J. M.: The Unipolar Electrocardiogram; A Clinical Interpretation. New York, Appleton-Century-Crofts, Inc., 1952, p. 224.
- Rosenbaum, F. F.: The place of the electrocardiogram in cardiac diagnosis. Ann. Int. Med. 35: 542, 1951.
- Feldman, M., Raskin, H. F. and Wolff, T. C.: Delayed ECG changes in acute myocardial infarction. CP 7: 65, 1953.