Werner M U, Kongsgaard U E
Department of Neuroanaesthesia, Multidisciplinary Pain Center, Copenhagen University Hospitals, Rigshospitalet, Copenhagen, Denmark
Division of Emergencies and Critical Care, Department of Anaesthesiology, Oslo University Hospital and Medical Faculty, University of Oslo, Oslo, Norway.
Br J Anaesth. 2014 Jul;113(1):1-4. doi: 10.1093/bja/aeu012. Epub 2014 Feb 18.