1Laguna P, Mark RG, Goldberger A, et al. A database for evaluation of algorithms for measurement of QT and other waveform intervals in the ECG. Computers in Cardiology,1997;24:673.
2http://www. physionet, org. Jane R, Blasi A, Garcia J,et al. Evaluation of an automatic threshold based detector of waveform limits in hoIter ECG with the QT database.Computers in Cardiology, 1997,24 :295.
3Peng CK, Buldyrev SV, Havlin S, et al. Mosaic organization of DNA nucleotides. Phys Rev E, 1994,49(2):1685.
4Peng CK, Havlin S, Stanley HE, et al. Quantification of scaling exponents and crossover phenomena in nonstationary heart beat time series. Chaos, 1995,5(1):82.
5Rudolph C, Thomas C. Fluctuation analysis of human electroencephalogram. Nonlinear Phenomena in Complex Systems, 2002,5(3):302.
6Carlos A, Elmer A, Dante R, et al.Large scale-invariant fluctuations in normal blood cell counts:a sign of criticality.Fractals, 2000;8(3):279.
7Babloyantz A, Is the normal heart a periodic oscillator? Biol Cybern, 1988; 58:203.
8Alessandro GD,Politi A. Hierarchical approach to complexity with applications to dynamical system. Physical Review Letters, 1990; 64(14):1609.
9Xu JH, Liu ZR, Liu R. The measures of sequence complexity for EEG studies. Chaos, Solitions & Fractals, 1994; 4:2111.
10Lempel A, Ziv J, On the complexity of finite sequences. IEEE Trans on IT, 1976; 22(1):75.