LaPar Damien J, Kron Irving L
Division of Thoracic and Cardiovascular Surgery, Department of Surgery, University of Virginia School of Medicine, Charlottesville, Va 22908, USA.
J Thorac Cardiovasc Surg. 2011 Jul;142(1):20-3. doi: 10.1016/j.jtcvs.2011.03.014.