5[2]Fung JW,Yu CM,Yip G,et al.Effect of beta blockade (carvedilol or metoprolol) on activation of the renin-an giotensin- aldosterone system and natriuretic peptides in chronic heart failure[J].Am J Cardiol,2003,92:406- 410.
6[3]Packer M,Bristow RW,Cohn JN,et al.The effect of carvedilol on morbidity and mortality in patients with chronic heart failure [J].N Engl J Med,1996,334: 1349- 1355.
7CIBIS-Ⅱ.investigators and committees.The cardiac insufficiency bisoprolol study Ⅱ.Lancet,1999,353(9146):9
8WaagsteinF,HialmarsonA,VarnausRasE,et al.Effecf of chronic betaadrener gic receptor blockade in congestive cardiomyopathy.Br HeartJ,1975,37:1022～1036.
9WagsteinF.Eficacy of beta blockers in idiopathic dilated cardiomyopath y and ischemic cardiomyopathy.Am J Cardiol,1997,80(9B):45～49.
