Schoettker Patrick, Bathory Istvan, Broome Martin
Department of Anesthesiology, University Hospital Center and University of Lausanne, Rue du Bugnon 11, 1011 Lausanne, Switzerland.
Anesthesiology. 2010 Dec;113(6):1476-8. doi: 10.1097/ALN.0b013e3181f98009.