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1. Retraction Note: The efficacy and safety of cryoballoon catheter ablation in patients with paroxysmal atrial fibrillation (Irish Journal of Medical Science (1971 -), (2022), 191, 1, (187-193), 10.1007/s11845-021-02560-z)
2. The efficacy and safety of cryoballoon catheter ablation in patients with paroxysmal atrial fibrillation
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