c917523a_y_Results___ClinicalTrials_gov__Description
[0] CRT-P: Biventricular Pacing Arm [Description] 
Subjects who were implanted with a CRT-P device and randomized to receive biventricular pacing
Biventricular Versus Right Ventricular Pacing in Heart Failure Patients With Atrioventricular Block (BLOCK HF) - Study Results - ClinicalTrials.gov