Maurer Konrad, Ekatodramis Georgios, Hodler Jürg, Rentsch Katharina, Perschak Henry, Borgeat Alain
Department of Anesthesiology, Orthopedic University Clinic Zurich/Balgrist, Zurich, Switzerland.
Anesthesiology. 2002 Mar;96(3):762-4. doi: 10.1097/00000542-200203000-00037.