Effects of pacing site on QRS morphology in Wolff-Parkinson-White syndrome, with special reference to 'pseudo-tachycardia-dependent block in accessory pathway and 'atrial gap'.
Effects of pacing site on QRS morphology in Wolff-Parkinson-White syndrome, with special reference to 'pseudo-tachycardia-dependent block in accessory pathway and 'atrial gap'.