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. 2012 Jan 27;98(6):480–484. doi: 10.1136/heartjnl-2011-301107

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© 2012, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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Kaplan–Meier analysis of arrhythmia recurrence-free rate in patients with paroxysmal atrial fibrillation subjected to three ablation strategies. There was no significant difference among the three ablation strategies (p=0.31 by the use of the log rank (Mantel-Cox) test). CPVI, circumferential pulmonary vein isolation; PostBox, additional RL and posterior inferior line; RL, left atrial roof line.