Shahian David M, Edwards Fred, Grover Fred L, Jacobs Jeffrey P, Wright Cameron D, Prager Richard L, Rich Jeffrey B, Mack Michael J, Mathisen Douglas J
Department of Surgery, Massachusetts General Hospital, Boston, MA 02114, USA.
J Thorac Cardiovasc Surg. 2010 Nov;140(5):955-9. doi: 10.1016/j.jtcvs.2010.09.004.