Winkle, R. A., Mead, R. H., Engel, G., Kong, M. H., & Patrawala, R. A. (2014). Comparison of CHADS(2) and CHA(2)DS(2)-VAS(C) anticoagulation recommendations: Evaluation in a cohort of atrial fibrillation ablation patients. Oxford University Press.

Winkle, Roger A., R. Hardwin Mead, Gregory Engel, Melissa H. Kong, و Rob A. Patrawala. Comparison of CHADS(2) and CHA(2)DS(2)-VAS(C) Anticoagulation Recommendations: Evaluation in a Cohort of Atrial Fibrillation Ablation Patients. Oxford University Press, 2014.

Winkle, Roger A., et al. Comparison of CHADS(2) and CHA(2)DS(2)-VAS(C) Anticoagulation Recommendations: Evaluation in a Cohort of Atrial Fibrillation Ablation Patients. Oxford University Press, 2014.