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2. The prognostic importance of the electrocardiogram after myocardial infarction;Coronary Drug Project;Ann Intern Med,1972
3. Primary risk factors in patients with myocardial infarction;Elmfeldt;Am Heart J,1976
4. Short and long-term prognostic indices in acute myocardial infarction;Helmers;Acta Med Scand (Suppl),1974
5. Prediction of sudden death in patients discharged after acute myocardial infarction;Helmers;Eur J Cardiol,1975