Cahyaningtias, M., M. S. Rohman, and D. 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, Vol. 20, no. 4, Nov. 2011, pp. 298-01, doi:10.13181/mji.v20i4.462.