KHATTAK, M. T. Indications and Recommendations For Anticoagulation in Atrial Fibrillation. Journal of Postgraduate Medical Institute, [S. l.], v. 17, n. 1, 2011. Disponível em: https://www.jpmi.org.pk/index.php/jpmi/article/view/819. Acesso em: 3 may. 2024.