Paola, Angelo Amato V. de, Fernando Antonio Aquino Gondin, Vanderlei Hara, and Alayde Mendonça. 1995. “Medical Treatment of Cardiac Arrhythmias in Chagas’heart Disease”. São Paulo Medical Journal 113 (2):858-61. https://periodicosapm.emnuvens.com.br/spmj/article/view/1668.