Effectiveness of restoration of sinus rhythm in patients with combined atrial fibrillation and atrial flutter. Ukrainian Journal of Cardiology, [S. l.], v. 28, n. 2, p. 33–41, 2021. DOI: 10.31928/1608-635X-2021.2.3341. Disponível em: https://ucardioj.com.ua/index.php/UJC/article/view/263.. Acesso em: 16 jun. 2024.