[Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. Heart rate variability. Standards of measurement, physiological interpretation, and clinical use. Circulation 1996;93:1043 - 65]Search in Google Scholar
[Casali KR, Casali AG, Montano N, Irigoyen MC, Macagnan F, Guzetti S, Porta A. Multiple testing strategy for the detection of temporal irreversibility in stationary time series. Phys. Rev. E 2008; 77:066204-1-710.1103/PhysRevE.77.06620418643347]Search in Google Scholar
[Javorka M, Turianikova Z, Tonhajzerova I, Javorka K, Baumert M. The effect of orthostasis on reccurence quantification analysis of heart rate and blood pressure dynamics. Physiol. Meas. 2009; 30: 29 - 41]Search in Google Scholar
[Porta A, D'addio G, Bassani T, Maestri R, Pinna GD. Assessment of cardiovascular regulation through irreversibility analysis of heart period variability: a 24 hours Holter study in healthy and chronic heart failure populations. Phil. Trans. R. Soc. A 2009; 367:1359-1375]Search in Google Scholar
[Porta A, Casali KR, Casali AG, Gnecchi-Ruscone T, Tobaldini E, Montano N, Lange S, Geue D, Cysarz D, Van Leeuwen P. Temporal assymetries of short-term heart period variability are linked to autonomic regulation. Am. J. Physiol. Regul. Integr. Comp. Physiol. 2008; 295: R550-R55710.1152/ajpregu.00129.200818495836]Search in Google Scholar
[Hou F, Zhuang J, Bian C, Tong T, Chen Y, Yin J, Qiu X, Ning X. Analysis of heartbeat asymmetry based on multi-scale time irreversibility test. Physica A 2010; 389:754-76010.1016/j.physa.2009.10.003]Search in Google Scholar
[Costa M, Goldberger AL, Peng CK. Broken assymetry of the human heartbeat: loss of time irreversibility in aging and disease. Phys Rev Lett 2005; 95: 198102-1 - 410.1103/PhysRevLett.95.19810216384029]Search in Google Scholar
[De La Cruz Torres B, Naranjo Orellana J. Multiscale time irreversibility of heartbeat at rest and during aerobic excercise. Cardiovasc. Eng. 2010; 10:1-4]Search in Google Scholar
[Guzik P, Piskorski J, Krauze T, Wykretowicz A, Wysocki A. Heart rate asymmetry by Poincaré plots of RR intervals. Biomed Tech 2006; 51: 272 - 27510.1515/BMT.2006.05417061956]Search in Google Scholar
[Costa MD, Peng CK, Goldberger AL. Multiscale analysis of heart rate dynamics: Entropy and time irreversibility measures. Cardiovasc. Eng., 2008, vol.810.1007/s10558-007-9049-1480122218172763]Search in Google Scholar