Periprocedural stroke risk in patients undergoing catheter ablation for atrial fibrillation on uninterrupted warfarin. - Page, S; Herring, N; Hunter, R; Withycombe, E; Lovell, M; Wali, G; Betts, T; Bashir, Y; Dhinoja, M; Earley, M; Sporton, S; Rajappan, K; et al. (Journal of cardiovascular electrophysiology, 2014)