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van Middelkoop M, Rubinstein SM, Kuijpers T, Verhagen AP, Ostelo R, Koes BW, van Tulder MW.van Middelkoop M, et al. Among authors: koes bw.Eur Spine J. 2011 Jan;20(1):19-39. doi: 10.1007/s00586-010-1518-3. Epub 2010 Jul 18.Eur Spine J. 2011.PMID: 20640863Free PMC article.Review.
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