8Michael W.Rich,MD.Epidemiology,Clinical Features,and Prognosis of Acute Myocardial Infarction in the Elderly[J].American Journal of Geriatric Cardiology,2006,15 (1):7-11.
10Sheifer SE,Gersh BJ,Yanez ND 3rd,et al.Prevalence,pre-disposing factors,and prognosis of clinically unrecognized my-ocardial infarction in the elderly[J].J Am Coll Cardiol,2000,35 (1):119-126.