Lucchi Marco, Dini Paolo, Givigliano Francesco, Ribechini Alessandro, Mussi Alfredo
Division of Thoracic Surgery, Department of Cardiac and Thoracic Surgery, University of Pisa, Italy.
J Thorac Cardiovasc Surg. 2004 Jun;127(6):1836-8. doi: 10.1016/j.jtcvs.2004.01.019.