Dietz Isabel, Elsner Frank, Schiessl Christine, Borasio Gian Domenico
Department of Anaesthesiologie I, University Witten/Herdecke, Helios Clinik Wuppertal, Wuppertal, Germany.
GMS Z Med Ausbild. 2011;28(4):Doc51. doi: 10.3205/zma000763. Epub 2011 Nov 15.