Validation of a New Simple Scale to Measure Symptoms in Atrial Fibrillation: The Canadian Cardiovascular Society Severity in Atrial Fibrillation Scale

P Dorian, P. G Guerra, C. R Kerr, S. S O'Donnell, E Crystal, A. M Gillis, L. B Mitchell, D Roy, A. C Skanes, M. S Rose and D. G. Wyse

Circulation: Arrhythmia and Electrophysiology 2 ( 3 ): 218 - 224 , 2009