Huang Jin J, Azakie Anthony, Russell Isobel A
Department of Anesthesia and Perioperative Care, University of San Francisco, San Francisco, California 94143, USA.
Anesth Analg. 2010 Apr 1;110(4):1003-5. doi: 10.1213/ANE.0b013e3181cd6ea2. Epub 2010 Feb 8.