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Maier M, Maier-Heidkamp P, Lehnert M, Wirbel R, Marzi I.Maier M, et al.Unfallchirurg. 2003 Jan;106(1):48-54. doi: 10.1007/s00113-002-0481-9.Unfallchirurg. 2003.PMID: 12552393German.