Schwartz Jamie M, Vricella Luca A, Jeffries Maggie A, Heitmiller Eugenie S
Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.
J Cardiothorac Vasc Anesth. 2008 Feb;22(1):95-7. doi: 10.1053/j.jvca.2006.10.009. Epub 2007 Jan 25.