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van der Windt DA, Koes BW, Devillé W, Boeke AJ, de Jong BA, Bouter LM.van der Windt DA, et al. Among authors: koes bw.BMJ. 1998 Nov 7;317(7168):1292-6. doi: 10.1136/bmj.317.7168.1292.BMJ. 1998.PMID: 9804720Free PMC article.Clinical Trial.
van der Windt DA, Koes BW, van Aarst M, Heemskerk MA, Bouter LM.van der Windt DA, et al. Among authors: koes bw.Br J Gen Pract. 2000 May;50(454):371-4.Br J Gen Pract. 2000.PMID: 10897533Free PMC article.
Lievense A, Bierma-Zeinstra S, Verhagen A, Verhaar J, Koes B.Lievense A, et al.J Rheumatol. 2001 Nov;28(11):2520-8.J Rheumatol. 2001.PMID: 11708427Review.