title: [Evaluation on stepwise ablation approach for long-standing persistent atrial fibrillation].
authors.forename: Yan-ping
authors.initials: YP
authors.lastname: Xu
authors.forename: Yue-hui
authors.initials: YH
authors.lastname: Yin
mesh_terms: D001281:Atrial Fibrillation / Q000601:surgery*; D017115:Catheter Ablation / Q000379:methods*; D006801:Humans