Immediate and long-term need for permanent cardiac pacing following aortic valve replacement. - Viktorsson, Sindri A.; Orrason, Andri W.; Vidisson, Kristjan O.; Gunnarsdottir, Anna G.; Johnsen, Arni; Helgason, Dadi; Arnar, David O.; Geirsson, Arnar; Gudbjartsson, Tomas (Scandinavian Cardiovascular Journal, 2020)