1. The electrocardiogram in electrolyte imbalance;BELLET;Arch. Int. Med.,1955
2. The effect of digitalis on the normal electrocardiogram;TILIAKOS;Brit. Heart J.,1953
3. Clinical vectorcardiography and electrocardiography;MASSIE,1961
4. Modern electrocardiography;LEPESCHKIN,1951
5. Unipolar lead electrocardiography and vectorcardiography;GOLDBERGER,1953