1. Natural history and clinical significance of arrhythmias after acute cardiac infarction;Fluck, D.C.; Olsen, E.; Pentecost, B.L.; etal;Br Heart J,1967
2. Effectiveness of pacemaker treatment in the bradycardia-tachycardia syndrome;Conde, C.A.; Leppo, J.; Lipski, J.;Am J Cardiol,1973
3. Treatment of sinoatrial syndrome with permanent cardiac pacing in 90 patients;Hartel, G.; Tarvensaari, T.;Acta Med Scand,1975
4. The sick sinus syndrome;Scarpa, W.J.;Am Heart J,1976
5. Sinus node dysfunction in acute myocardial infarction;Parameswaran, R.; Ohe, T.; Goldberg, H.;Br Heart J,1976