Cited 107 times since 2009 (6.8 per year) source: EuropePMC Journal of the American College of Cardiology, Volume 53, Issue 21, 1 1 2009, Pages 1933-1943 Echocardiography and noninvasive imaging in cardiac resynchronization therapy: results of the PROSPECT (Predictors of Response to Cardiac Resynchronization Therapy) study in perspective. Bax JJ, Gorcsan J