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van der Windt DA, van der Heijden GJ, de Winter AF, Koes BW, Devillé W, Bouter LM.van der Windt DA, et al. Among authors: koes bw.Ann Rheum Dis. 1998 Feb;57(2):82-7. doi: 10.1136/ard.57.2.82.Ann Rheum Dis. 1998.PMID: 9613336Free PMC article.Clinical Trial.