Cahana Alex, Mauron Alexandre
Postoperative and Interventional Pain Program, Department of Anesthesiology, Pharmacology and Surgical Intensive Care, Geneva University Hospital, 24 Rue Micheli-du-Crest, 1211 Geneva, 14, Geneva, Switzerland.
J Anesth. 2006;20(4):348-51. doi: 10.1007/s00540-006-0432-7.