Karagiannis SE, Maounis T, Athanassopoulos GD, Karatasakis GT, HATZIGEORGIOU GEORGEH, PAPADOPOULOS KONSTANTINOS, Leontiadis E, Cokkinos DV. Cardiac resynchronization therapy decreases the mitral coaptation point displacement in heart failure patients. Hellenic J Cardiol. 2006;47:198–205.