Vagefi Parsia A, Bates Nathan R, Ptaszek Leon M, Adams Mark S, Walker Jennifer D
Division of Cardiac Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass 02114-2696, USA.
J Thorac Cardiovasc Surg. 2006 May;131(5):1177-8. doi: 10.1016/j.jtcvs.2005.12.053.