- B Neuner, Charité – Universitaetsmedizin Berlin, Department of Anesthesiology and Intensive Care Medicine, Campus Virchow-Klinikum and Campus Charité Mitte, Charitéplatz 1, 10117 Berlin, Germany;
- Received November 17, 2008
- Accepted May 11, 2009
- First published June 14, 2009.
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