khan, imran, and B. Shah. “Electrophysiological Changes in the Conducting Properties of fast Pathway Following Modification of the Slow Pathway of the Atrio Ventricular Node for Atrio Ventricular nodal re-Entrant Tachycardia”. Pakistan Journal of Medical Sciences, Vol. 35, no. 5, Aug. 2019, doi:10.12669/pjms.35.5.473.