JIA, Kaiyu et al. Nonvalvular Atrial Fibrillation and Anticoagulation in the Elderly: A Retrospective Cohort Study. Cardiology Research, [S. l.], v. 17, n. 3, p. 149–155, 2026. DOI: 10.14740/cr2219. Disponível em: https://cr.elmerpub.com/index.php/cr/article/view/2219.. Acesso em: 6 jun. 2026.