2[1]Charles Fisch, Electrocardiogram in The Aged Amj Med, 1981, 71(1) :4
3[1]Norusis MJ. SPPS/PC-I-for the IBMPC/XT/AT. Chicago:SPPS INC. 1986. 16～17
4[2]McCullagh p, Nelder JA. Generalized Linear Models. London:Chapman and Hall, 1983
5[3]Shanas E. Self-assessment of physical function: white and black elderly in the United States. IN: Haynes SG, Feinleib M, eds.Epidemiology of Aging. U. S. Department of Health and Human.Services(NIH pubication no. 80～969)
6[4]Kannel WB, Abbott RD. Incidence and prognosis of unrecognized myocardial infarction: an update on the Framingham Study. N ENGLJ Med 1984,311:1144～1147
7[5]Das SK, Kataria MS. Silent myocardial infarction in the elderly.Practitioner 1984, 228.. 841～843
