Gilbertson Christopher K, Weldner Paul W, Connors Christopher W
Department of Anesthesiology and Pain Management, Maine Medical Center, Portland, ME 04102, USA.
J Cardiothorac Vasc Anesth. 2013 Jun;27(3):549-50. doi: 10.1053/j.jvca.2011.09.025. Epub 2011 Nov 29.