Ethnic differences in the association of QRS duration with ejection fraction and outcome in heart failure
Crystel M Gijsberts, Lina Benson, Ulf Dahlström, David Sim, Daniel P S Yeo, Hean Yee Ong, Fazlur Jaufeerally, Gerard K T Leong, Lieng H Ling, A Mark Richards, Dominique P V de Kleijn, Lars H Lund, Carolyn S P Lam
Heart Sep 2016, 102 (18) 1464-1471; DOI: 10.1136/heartjnl-2015-309212