@ARTICLE{
author={Voigt Jens-Uwe,Mada Razvan-Olimpiu,Stankovic Ivan},
year={2014},
title={Cardiac-Resynchronization Therapy in Heart Failure with a Narrow QRS Complex},
journal={NEW ENGLAND JOURNAL OF MEDICINE},
volume={370},
number={6},
pages={579-579},
document_type={Letter},
}