Böttiger Bernd W, Gräsner Jan-Thorsten, Castren Maaret
Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Kerpener Straße 62, 50937, Cologne, Germany,
Intensive Care Med. 2014 Jun;40(6):907-9. doi: 10.1007/s00134-014-3319-3. Epub 2014 May 15.