Marengo, Thiago Sampaio, et al. “Orthodromic Atrioventricular Tachycardia in Wolff-Parkinson-White Syndrome With Two Accessory Pathways Participation During the Same AVT”. JOURNAL OF CARDIAC ARRHYTHMIAS, vol. 34, no. 3, Dec. 2021, pp. 113-9, https://jca.org.br/jca/article/view/3463.