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van Strien T, van der Linden-van der Zwaag E, Kaptein B, van Erkel A, Valstar E, Nelissen R.van Strien T, et al.Int Orthop. 2009 Oct;33(5):1255-61. doi: 10.1007/s00264-008-0642-8. Epub 2008 Aug 29.Int Orthop. 2009.PMID: 18758777Free PMC article.Clinical Trial.
Pijls BG, Dekkers OM, Middeldorp S, Valstar ER, van der Heide HJ, Van der Linden-Van der Zwaag HM, Nelissen RG.Pijls BG, et al.BMC Musculoskelet Disord. 2011 Jul 22;12:173. doi: 10.1186/1471-2474-12-173.BMC Musculoskelet Disord. 2011.PMID: 21781327Free PMC article.