6Medonald KM, Mock JD, Aloia A, et al. Bradyin in antagonism inhibits the antrgrowth effect of eonvering enzyme inhibition in dog myocardium after dlscrcte transmural myocardial nccrosis. Circulalion 1998: 91:2043 - 8.
7BELARDINELLI R,GEORGIOU D,CIANCI G,et al.Randomized controlled trial of long-term moderate exercise training in chronic heart failure:effect on functional capacity ,quality of life,and clinical outcome[J].Circulation,1999,99(9):1173-1182.
8BITTER V,WEINER DH,YUSUF S,et al.Prediction of mortality and morbidity with a 6 minute walk test in patient with left ventricular dysfunction[J].JAMA,1993,270:1702-1707.