%0 Journal Article %A Gabriel Wai-Kwok Yip %A Jeffrey Wing Hong Fung %T Cardiac resynchronisation therapy for heart failure with narrow or normal QRS %D 2011 %R 10.1136/hrt.2010.218438 %J Heart %P 1029-1031 %V 97 %N 13 %U https://heart.bmj.com/content/heartjnl/97/13/1029.full.pdf