Augoustides John G T, Cheung Albert T
Department of Anesthesiology and Critical Care, Cardiothoracic Section, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.
J Cardiothorac Vasc Anesth. 2009 Oct;23(5):720-4. doi: 10.1053/j.jvca.2009.06.012. Epub 2009 Aug 15.