6Canlethon M R, Liao D, Evan G W, et al. Correlates of the shift in heart rate variability with an active postural change in healthy population sample: the arteriosclerosis risk in communities study [J]. Am Heart J, 2002, 143(5): 808-813.
7Junker A. Residual myocardial ischemia, 24-hour heart rate variability and eardiae events after acute myocardial infarction [J ]. J Am Coll Cardial, 1994, 23 : 65A.
8Schumann A, Wessel N, Schirdewan A, et al. Potential of feature selection methods in heart rate variability analysis for the classification of different cardiovascular diseases [J]. Stat Med, 2002, 21 ( 15 ) : 2225-2242.
9Cao J M, Fishbein M C, Han J B, et al. Relationship between regional cardiac hyperinnervation and ventricular arrhythmia [J]. Circulation, 2000, 101 (16) : 1960-1969.