title: [The atrial fibrillation substrate: pulmonary veins, posterior wall or both].
authors.forename: Felipe
authors.initials: F
authors.lastname: Atienza Fernández
mesh_terms: D001281:Atrial Fibrillation / Q000209:etiology*; D004594:Electrophysiology; D006325:Heart Atria / Q000503:physiopathology*; D006801:Humans; D011667:Pulmonary Veins / Q000503:physiopathology*