QRS-microfragmentation and non-planarity as predictors of clinical outcome and left ventricular ejection fraction improvement following cardiac resychronization therapy
M. Blondeel, G. Voros, I. Andrsova, K. Helanova, M. Sisakova, S. Ingelaere, S. Trenson, J. U. Voigt, R. Willems, B. Vandenberk
Europace