Congiu Stefano, Josa Miguel, Freixa Xavier, Azqueta Manuel, Mestres Carlos, Mulet Jaime
Department of Cardiovascular Surgery, Hospital Clinic Barcelona, University of Barcelona, Barcelona, Spain.
J Thorac Cardiovasc Surg. 2007 Jul;134(1):250-1. doi: 10.1016/j.jtcvs.2006.11.074.