Bartholomay, E., Polli, I., Borges, A. P., Kalil, C., Arroque, A., Kohler, I., & Danzmann, L. C. (2014). Prevalence of oral anticoagulation in atrial fibrillation . Clinics, 69(9), 615-620. https://doi.org/10.6061/clinics/2014(09)07