the incidence of ventricular arrhythmias during the occlusion period was 14 ( vf , 5/14 ) , 13 ( vf , 0/13 ) and 14 ( vf , 9/14 ) in the control , verapamil and bepridil groups , respectively .
C0085612
ventricular arrhythmias
C0042510
vf