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Bjertness E, Sagatun A, Green K, Lien L, Søgaard AJ, Selmer R.Bjertness E, et al. Among authors: sagatun a.BMC Public Health. 2010 Oct 12;10:602. doi: 10.1186/1471-2458-10-602.BMC Public Health. 2010.PMID: 20939903Free PMC article.
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