Pivatto Júnior, F., A. L. F. da Silva, I. V. Bezerra, L. M. Pires, L. C. Amon, M. B. Blaya, e R. S. Scheffel. “Major Bleeding Risk Assessment in Atrial Fibrillation Patients Taking Vitamin K Antagonists”. Clinical and Biomedical Research, vol. 35, nº 2, julho de 2015, https://www.seer.ufrgs.br/index.php/hcpa/article/view/54273.