P838Unexpected high rate of gaps following cobra fusion epicardial ablation of atrial fibrillation. (19th March 2018) - Cireddu, M; Foppoli, L; Bisceglia, C; Baratto, F; Barbaro, C M; Gulletta, S; Trevisi, N; Lapenna, E; D'angelo, G; Correra, A; Gigli, L; Della Bella, P