1. Effect of cryoballoon and radiofrequency ablation for pulmonary vein isolation on left atrial function in patients with nonvalvular paroxysmal atrial fibrillation: A prospective randomized study (Cryo‐LAEF study). (15th April 2019) Authors: Giannopoulos, Georgios; Kossyvakis, Charalampos; Vrachatis, Dimitrios; Aggeli, Constadina; Tsitsinakis, Georgios; Letsas, Konstantinos; Tsiachris, Dimitrios; Tsoukala, Styliani; Efremidis, Michalis; Katritsis, Dimosthenis; Deftereos, Spyridon Journal: Journal of cardiovascular electrophysiology Issue: Volume 30:Number 7(2019) Page Start: 991 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗