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Plenk H Jr, Gstettner M, Grossschmidt K, Breitenseher M, Urban M, Hofmann S.Plenk H Jr, et al. Among authors: hofmann s.Clin Orthop Relat Res. 2001 May;(386):42-53. doi: 10.1097/00003086-200105000-00006.Clin Orthop Relat Res. 2001.PMID: 11347847