Epicardial connections between the pulmonary veins and left atrium: Relevance for atrial fibrillation ablation

1. Pérez-Castellano, N.
2. Villacastín, J.
3. Salinas, J.
4. Vega, M.
5. Moreno, J.
6. Doblado, M.
7. Ruiz, E.
8. MacAya, C.