Effect of QRS duration Normalized for Left Ventricular Size on Cardiac Resynchronization Therapy in Heart Failure Patients with a Narrow (<130 ms) QRS complex: A Subgroup Analysis of the EchoCRT Trial
A Randomized Controlled Trial Evaluating the Efficacy of Long-term Use of Beta-blocker in Patients with ST-segment Elevation Myocardial Infarction treated with Primary Percutaneous Coronary Interventi