Beyersdorf Friedhelm, Schlensak Christian, Berchtold-Herz Michael, Trummer Georg
Department of Cardiovascular Surgery, University Medical Center, Albert-Ludwigs-University Freiburg, Freiburg im Breisgau, Germany.
J Thorac Cardiovasc Surg. 2010 Oct;140(4):747-9. doi: 10.1016/j.jtcvs.2010.05.042.