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Zollinger PE, Kreis RW, van der Meulen HG, van der Elst M, Breederveld RS, Tuinebreijer WE.Zollinger PE, et al.Open Orthop J. 2010 Feb 17;4:71-5. doi: 10.2174/1874325001004020071.Open Orthop J. 2010.PMID: 20309405Free PMC article.