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van Sterkenburg MN, Muller B, Maas M, Sierevelt IN, van Dijk CN.van Sterkenburg MN, et al. Among authors: muller b.Acta Orthop. 2010 Jun;81(3):387-90. doi: 10.3109/17453674.2010.487245.Acta Orthop. 2010.PMID: 20450438Free PMC article.