1. Comunicacion Interauricular;Vizcaino,1948
2. Atrial Septal Defect With Special Reference to the Electrocardiogram, the Pulmonary Artery Pressure and the Second Heart Sound;Barder;Brit. M. J.,1950
3. El Cateterismo Intracardiaco V. La Comunicacion Interauricular. Correlacion de los hallazgos hemodinamicos con los datos embriologicos, clinicos, radiologicos y electrocardiograficos en 50 casos;Limon Lason;Sobretiro Arch. Inst. Cardiol. México,1953
4. Systolic and Diastolic Loading of the Heart. II. Electrocardiographic Data;Cabrera;Am. Heart J.,1952
5. Essentials of Electrocardiography;Ashman,1941