Transfer function analysis of the circulation: unique insights into cardiovascular regulationJ. Philip Saul, Richard J. Cohen, Paul Albrecht et al.|American Journal of Physiology-Heart and Circulatory Physiology|1991Cited by 731
Modulation of cardiac autonomic activity during and immediately after exerciseYasuyuki Arai, Wilson S. Colucci, J. Philip Saul et al.|American Journal of Physiology-Heart and Circulatory Physiology|1989Cited by 703
Measles Antibody: Reevaluation of Protective TitersR. T. Chen, W. A. Orenstein, Lauri E. Markowitz et al.|The Journal of Infectious Diseases|1990Cited by 611
Power Law Behavior of RR-Interval Variability in Healthy Middle-Aged Persons, Patients With Recent Acute Myocardial Infarction, and Patients With Heart TransplantsJ. Thomas Bigger, Richard J. Cohen, Richard C. Steinman et al.|Circulation|1996Cited by 383
Analysis of long term heart rate variability: methods, 1/f scaling and implications.J. Philip Saul, Richard J. Cohen, Paul Albrecht et al.|PubMed|1988Cited by 287