Packer M,Bristow WR.Effect of Carvedilol on morbidity and mortality in chronic heart failure[J].N Engl J Med,1996,334(6):1349.是什么意思_Packer M,Bristow WR.Effect of Carvedilol on morbidity and mortality in chronic heart failure[J].N Engl J Med,1996,334(6):1349.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句