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Recommendations for the Standardization and Interpretation of the Electrocardiogram: Part I: The Electrocardiogram and Its Technology: A Scientific Statement From the American Heart Association Electrocardiography and Arrhythmias Committee, Council on Clinical Cardiology; the American College of Cardiology Foundation; and the Heart Rhythm Society Endorsed by the International Society for Computerized Electrocardiology

, , , , , , , , , , , , и . Circulation, 115 (10): 1306-1324 (2007)
DOI: 10.1161/CIRCULATIONAHA.106.180200