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Wedderkopp N, Kjaer P, Hestbaek L, Korsholm L, Leboeuf-Yde C.Wedderkopp N, et al. Among authors: korsholm l.Spine J. 2009 Feb;9(2):134-41. doi: 10.1016/j.spinee.2008.02.003. Epub 2008 May 20.Spine J. 2009.PMID: 18495545