title: Croatia needs a registry of patients undergoing direct current cardioversion for persistent atrial fibrillation/flutter.
authors: Mia
authors: M
authors: Dubravčić
authors: Petra
authors: P
authors: Cukon
authors: Siniša
authors: S
authors: Car
authors: Davor
authors: D
authors: Puljević
authors: Vladimir Trkulja, School of Medicine, University of Zagreb, Zagreb, Croatia, vladimir.trkulja@mef.hr.
authors: Vladimir
authors: V
authors: Trkulja