Politis George D, Schneider William J, Van Beek Allen L, Gosain Arun, Migliori Mark R, Gregory George A, Fisher Quentin A, Flick Randall
Department of Anesthesiology, University of Virginia Health System, PO Box 800710, Charlottesville, VA 22908, USA.
Anesth Analg. 2011 Jan;112(1):183-90. doi: 10.1213/ANE.0b013e3181fdfab7.