Günal, N., Tokel, K., Kahramanyol, O., Ozer, S., Celiker, A., Ekici, E., Yurdakul, Y., & Kutsal, A. (1997). Incidence and severity of arrhythmias and conduction disturbance after repair of tetralogy of Fallot. The Turkish Journal of Pediatrics, 39(4), 491-498. https://turkjpediatr.org/article/view/3429