1. Return to normal of electrocardiogram after myocardial infarction;Cox;Lancet,1967
2. Disappearance of the Q-deflection following myocardial infarction;Kalbfleisch;Amer. Heart J,1968
3. The electrocardiogram in patients with previous myocardial infarction;Anderson;Acta Med. Scand,1964
4. Electrocardiographic patterns in recurrent myocardial infarction;Mussafia;Geriatrics,1968
5. ECG and anatomical-pathological study of 21 cases of myocardial infarctions in subjects with a history of M.I;Gironi;Folia Cardiol. (Milano),1967