Letsas Konstantinos P, Sideris Antonios, Kounas Stavros P, Pappas Loucas K, Kardaras Fotios
Second Department of Cardiology, Evangelismos General Hospital of Athens, Athens, Greece.
Am J Geriatr Cardiol. 2006 Jul-Aug;15(4):253-4. doi: 10.1111/j.1076-7460.2006.04797.x.