Conti, Sergio, and Claudio Tondo. “A Critical Comparison Between First- and Second-Generation Cryoballoon for Paroxysmal Atrial Fibrillation Ablation”. Current Topics in Medicine and Medical Research Vol. 13 (April 29, 2021): 50–58. Accessed June 3, 2026. https://stm.bookpi.org/CTMMR-V13/article/view/738.