1. Belinkoff, S. “The choice of anesthesia in cardiac disease.” Anesthesiol. 7, 268, 1946. Brace, D. E., Schorf, D., and Spire, L. J. “The Effect of Cyclopropane on the Blood
2. Pressure Stroke-Volume and Heart Size of the Dog.“ Anestesiology, 2, 261, 1941. Brumm, H. J., and Willius, F. A. ”The Surgical Risk in Patients with Coronary Disease. J. A. M. A., 112, 2377, 1939.
3. Butler, S., Feeney, N., and Levine, S. A. “The Patient with Heart Disease as a Surgical Risk.” J. A. M. A., 95, 85, 1930.
4. Dripps, R. D., and Vandam, L. D. “The anesthetic managment of patients with heart diesease.” Circulation, 5, 927, 1952.
5. Ernstene, A. C. “The risk of anesthesia and surgical operation in patients with heart disease.” Cleveland Clin. Quart., 13, 189, 1946.