Letsas Konstantinos P, Efremidis Michael, Manolatos Dimitrios, Sideris Antonios
Second Department of Cardiology, Division of Cardiac Electrophysiology, Evangelismos General Hospital of Athens, Athens, Greece.
Pacing Clin Electrophysiol. 2010 May;33(5):615-7. doi: 10.1111/j.1540-8159.2010.02687.x. Epub 2010 Feb 1.