1. The Unipolar Electrocardiogram;Barker,1952
2. The two-step exercise electrocardiogram, a test for coronary insufficiency;Master;Ann. Int. Med.,1950
3. Coronary artery disease and the two-step exercise test;Master;New York J. Med.,1957
4. Premature ventricular contractions and exercise;Mann,1952
5. Benign ventricular premature systoles;Berliner;Cardiologia,1954