1. The Electrocardiographic Diagnosis of Coronary Occulusion by the Use of Chest Leads;Wolferth;Am. J. M. Sc.,1932
2. Use of Chest Leads in Electrocardiographic Studies of Coronary Occlusion;Wolferth;M. Clin. North America,1932
3. Electrocardiographic Evidence of Coronary Occlusion, With Special Emphasis on the Use of the Anterior-Posterior Chest Lead;Ross;U. S. Nav. M. Bull.,1932
4. Chest Leads in Coronary Occlusion;Levine;M. J. & Rec.,1932
5. The Value of Posterior-Anterior Chest Leads in Cardiac Diagnosis;Liberson;Ann. Int. Med.,1933