Cahyaningtias, Miryanti, Mohammad S. Rohman, and Dicky A. Hanafy. “Wolf-Parkinson-White Syndrome in Young Men Presenting With Palpitation: The Pattern of Delta Waves in Predicting Location of Accessory Pathway”. Medical Journal of Indonesia 20, no. 4 (November 1, 2011): 298-301. Accessed October 25, 2020. http://mji.ui.ac.id/journal/index.php/mji/article/view/462.