Iqbal Zafar, Gandhi Sweeta D, Kersten Judy R, Pagel Paul S
Department of Anesthesiology, the Medical College of Wisconsin and the Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI 53226, USA.
J Cardiothorac Vasc Anesth. 2007 Feb;21(1):152-4. doi: 10.1053/j.jvca.2006.01.008. Epub 2006 Apr 19.