HÖGLUND , Niklas; RÖNN , Folke; TOLLEFSEN , Titti; JENSEN , Steen M.; KESEK , Milos. U22 protocol as measure of symptomatic improvement after catheter ablation of atrial fibrillation. Upsala Journal of Medical Sciences, [S. l.], v. 118, n. 4, 2013. DOI: 10.3109/03009734.2013.821190. Disponível em: https://ujms.net/index.php/ujms/article/view/5945. Acesso em: 13 nov. 2026.