Awan, Zahid Aslam, et al. “RADIOFREQUENCY CATHETER ABLATION FOR SUPRAVENTRICULAR TACHYCARDIAS: EXPERIENCE AT PESHAWAR”. Journal of Ayub Medical College Abbottabad, vol. 21, no. 4, Dec. 2009, pp. 98-101, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3156.