1. Prognostic value of exercise electrocardiogram in older men;Åstrand;Scand. J. clin. Lab. Invest.,1969
2. The electrocardiogram during exercise as recorded by radio-electrocardiography;Bellet;Amer. J. Cardiol.,1961
3. Significance of coronary artery hypoplasia and congenital variations associated with coronary heart disease;Berkheiser;Aerospace Med.,1969
4. The exercise test and prognosis of coronary heart disease;Dimond;Circulation,1961
5. The prognosis of an abnormal electrocardiographic stress test;Doyle;Circulation,1970