%0 Journal Article %A A Champagne de Labriolle %A C Leclercq %A J C Daubert %T Influence of conduction time intervals on symptoms and exercise tolerance in patients with heart failure with left ventricular systolic dysfunction %D 2005 %R 10.1136/hrt.2004.043588 %J Heart %P 1211-1212 %V 91 %N 9 %U https://heart.bmj.com/content/heartjnl/91/9/1211.full.pdf