1. Comparison of the ejection timeheart rate relationships in normal and ischemic subjects;Agress, C.M.; Wegner, S.; Nakakura, S.; Lehman, Jr., E.H.; Chait, L.;Japanese Heart Journal,1965
2. Systolic time intervals in constrictive pericarditis and severe primary myocardial disease;Armstrong, T.G.; Lewis, B.S.; Gotsman, M.S.;American Heart Journal,1973
3. External isovolumic contraction times and left ventricular ejection time/external isovolumic contraction time ratios at rest and after exercise in coronary heart disease;Aronow, W.S.; Bowyer, A.F.; Kaplan, M.A.;Circulation,1971
4. Cardiac output during submaximal and maximal work;Astrand, P.; Cuddy, T.E.; Saltin, B.; Stenberg, J.;Journal of Applied Physiology,1964
5. Systolic time intervals during uninterrupted exercise and their diagnostic significance;Beneken, J.E.W.; Van der Hoeven, G.M.A.; Clerens, P.J.A.; Donders, J.J.H.,1974