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Nordqvist A, Redlund-Johnell I, von Scheele A, Petersson CJ.Nordqvist A, et al. Among authors: petersson cj.Acta Orthop Scand. 1997 Aug;68(4):349-51. doi: 10.3109/17453679708996175.Acta Orthop Scand. 1997.PMID: 9310038