Jakob Heinz, Tsagakis Konstantinos, Szabo Andras, Wiese Ingo, Thielmann Matthias, Herold Ulf
Department of Thoracic and Cardiovascular Surgery, West-German Heart Center Essen, University Hospital Essen, Essen, Germany.
J Thorac Cardiovasc Surg. 2007 Jul;134(1):244-5. doi: 10.1016/j.jtcvs.2007.03.023.