1. The two-step exercise electrocardiogram—a double-blind evaluation of its use in the diagnosis of angina pectoris;Friedberg;Circulation,1962
2. Clinicopathologic study of patients with and without angina pectoris preceding initial myocardial infarction;Francis;Circulation,1961
3. The Master two-step electrocardiographic test brought up-to-date;Master,1959
4. A symposium: The two-step exercise test;Master,1959
5. Electrocardiographic changes after exercise in angina pectoris;Master;J. Mt. Sinai Hosp.,1940