5[3]Kennedy HI,Nilsson G,Forberg R,et al.Long-term follow-up of asymptomatic healthy subjects with frequent and complex ventricular ectopy[J].N Engi J Med,1995,312(7):193.
6[5]Bigger JT,Gefen Y,Zidan JM,et al.The relationships among ventricular arrhythmias,left venvficular dysfunction,and mortality in the 2 years after myocardial infarction[J].Ciculation,1994,69(3):250.