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2. The Electrocardiogram in Myocardial Infarction With Particular Reference to the Initial Deflections of the Ventricular Complex;Wilson;Heart,1933
3. On the Use of Chest Leads in Clinical Electrocardiography;Roth;Am. Heart J.,1935
4. Committee of the American Heart Association on Chest Leads—Standardization of Precordial Leads;J. A. M. A.,1938
5. Standardization of Precordial Leads—Supplementary Report;J. A. M. A.,1938