1Kleiger RE,Miler JP,Bigger JT,etal. Decreased heart rate variability and its assoliation with increased mortality afteracute myocardial infarction[J]. Am J Cardiol,1987,59:256.
2Bigg Jr JT, kleiger KE,Fleiss JL,et al. Components of heart rate vrariabilitymeasured during healing of acute myocardial infarction[J]. Am J Cardiol,1988,61:208-215.
