%0 Journal Article %T Is heart rate reduction more important than target dose in chronic heart failure therapy with a beta-blocker? %A Yong-Fang Guo %A Yi An %J 老年心脏病学杂志(英文版) %D 2011 %I Science Press %K heart rate %K beta-blockers %K chronic heart failure %U http://www.jgc301.com/ch/reader/download_pdf.aspx?file_no=201104009&year_id=2011&quarter_id=4&flag=1