M. S. Pandharipande, S. V. Shinde, M. D. Motlag, K. Nagpure, R. W. Joshi, and P. P. Joshi, “Non valvular atrial fibrillation stroke risk stratification by CHA2DS2-VASc score and short term outcomes”, Int J Res Med Sci, vol. 4, no. 8, pp. 3370–3375, Jan. 2017.