Bermudez Christian A, Rocha Rodolfo V, Katz William E, Toyoda Yoshiya
Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pa 15213, USA.
J Thorac Cardiovasc Surg. 2011 Jan;141(1):e1-3. doi: 10.1016/j.jtcvs.2010.09.027. Epub 2010 Nov 13.