Nomenclature and Criteria for Diagnosis of Diseases of the Heart and Blood Vessels. Ed. 5. Criteria Committee of The New York Heart Association. New York Heart Association , New York, 1953.
2.
Levenson. R.M. : Role of exercise test in evaluation of cardiac patients. J. A. M. A., 183: 480, 1963.
Friedberg, C.K. , Jaffe, H.L., Pordy, L., and Chesky, K.: The two step exercise electrocardiogram. Circulation, 26: 1254, 1962.
5.
Koff, A.M., Bruce, A., Fernandes, K., Overnell, D., and Cutler, R.K.: Cardiorespiratory responses to strenuous exercise in physically trained and untrained normal men. Res. Quart.. 34: 41, 1963.
Bellet. S., Eliakim, M., Deliyiannis, S., and Figallo, E.M.: Radioelectrocardiographic changes during strenuous exercise in normal subjects . Circulation, 25: 686, 1962.
8.
Rumball, A., and Acheson, E.D.: Latent coronary heart disease detected by electrocardiogram before and after exercise. Brit. M. J., 5328: 423, 1963.
9.
Blackburn. H. , Mitchell, P., and Imbimbo, B.: The exercise test. At what intervals to record after exercise? Am. Heart J., 67: 186, 1964.
10.
Roman, L., and Bellet, S.: Significance of the QX/QT ratio and the QT ratio (QTr) in the exercise electrocardiogram . Circulation, 32: 435, 1965.
11.
Lepeschkin. E.: Exercise tests in the diagnosis of coronary heart disease. Circulation, 22: 986, 1960.
12.
Most, A.S., Mazzarella, J.A., Peterson, D.A., and Bruce, R.A.: Second year followup of exertional myocardial ischemia in "healthy" middle-aged American men. Circulation, 32 (suppl. 2): 156, 1965.
13.
Friedberg, C.K., Jaffe, H.L., Pordy, L., and Chesky, K.: Evaluation of two-step exercise test. Circulation, 26: 1254, 1962.
14.
Astrand, I. : Exercise electrocardiogram recorded twice with an eight year interval in a group of 204 women and men 48-63 years old. Acta med. scandinav., 178: 27, 1965.
15.
Sheffield, L.T. , and Reeves, T.J.: Graded exercise in the diagnosis of angina pectoris. Mod. Concepts Cardiovas. Dis., 34: 1965.
16.
Blackmon, J.R. , Doan, A.E., Ansusinher, C., and Bruce, R.A.: Effects of age and cardiovascular disease on maximal exercise capacity in man. Clin. Res., 12: 104, 1964.
17.
Bruce, R.A., Blackmon, J.R., Jones, J.D., and Strait, G.: Exercise testing in adult normal subjects and cardiac patients. Pediatrics, 32: 742, 1963.
18.
Foster, G.L., Reeves, J.T., and Meade, J.H., Jr.: Hemodynamic responses to exercise in clinically normal middle-aged men and in those with angina pectoris. J. Clin. Invest., 43: 1758, 1964.
19.
Robb, G.P., and Marks, H.H.: Latent coronary artery disease. Am. J. Cardiol., 13: 603, 1964.
20.
Bellet, S., and Muller, O.F.: The electrocardiogram during exercise. Circulation, 32: 477, 1965.
21.
Rogers. W.R. , and Hurst, W.D.: Moderate exercise testing in ischemic heart disease. Northwest Med., 63: 702,1964.