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de Jonge S, de Vos RJ, Weir A, van Schie HT, Bierma-Zeinstra SM, Verhaar JA, Weinans H, Tol JL.de Jonge S, et al.Am J Sports Med. 2011 Aug;39(8):1623-9. doi: 10.1177/0363546511404877. Epub 2011 May 21.Am J Sports Med. 2011.PMID: 21602565Clinical Trial.