Smetana Michal, Pirk Jan, Kacer Petr, Szarszoi Ondrej
Department of Cardiovascular Surgery, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
J Card Surg. 2011 Nov;26(6):641-2. doi: 10.1111/j.1540-8191.2011.01329.x. Epub 2011 Oct 12.