title: Repolarization and activation restitution near human pulmonary veins and atrial fibrillation initiation: a mechanism for the initiation of atrial fibrillation by premature beats.
mesh_terms: D000200:Action Potentials; D001281:Atrial Fibrillation / Q000209:etiology*; D005117:Cardiac Complexes, Premature / Q000150:complications* / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011667:Pulmonary Veins / Q000503:physiopathology; D012032:Refractory Period, Electrophysiological