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Wedderkopp N, Leboeuf-Yde C, Andersen LB, Froberg K, Hansen HS.Wedderkopp N, et al. Among authors: froberg k.Spine (Phila Pa 1976). 2001 Sep 1;26(17):1879-83. doi: 10.1097/00007632-200109010-00012.Spine (Phila Pa 1976). 2001.PMID: 11568698
Wedderkopp N, Leboeuf-Yde C, Bo Andersen L, Froberg K, Steen Hansen H.Wedderkopp N, et al. Among authors: froberg k.Spine (Phila Pa 1976). 2003 Sep 1;28(17):2019-24; discussion 2024. doi: 10.1097/01.BRS.0000083238.78155.31.Spine (Phila Pa 1976). 2003.PMID: 12973151
Wedderkopp N, Froberg K, Hansen HS, Andersen LB.Wedderkopp N, et al. Among authors: froberg k.Scand J Med Sci Sports. 2004 Jun;14(3):150-5. doi: 10.1111/j.1600-0838.2004.00365.x.Scand J Med Sci Sports. 2004.PMID: 15144354
Kristensen PL, Wedderkopp N, Møller NC, Andersen LB, Bai CN, Froberg K.Kristensen PL, et al. Among authors: froberg k.BMC Public Health. 2006 Jan 27;6:20. doi: 10.1186/1471-2458-6-20.BMC Public Health. 2006.PMID: 16441892Free PMC article.