Intermittent versus Persistent Wolff-Parkinson-White Syndrome in Children: Electrophysiologic Properties and Clinical Outcomes. - KIGER, MICHELLE E.; MCCANTA, ANTHONY C.; TONG, SUHONG; SCHAFFER, MICHAEL; RUNCIMAN, MARTIN; COLLINS, KATHRYN K. (Pacing & Clinical Electrophysiology, 2016)