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Littorin M, Axmon A, Broberg K, Sennbro CJ, Tinnerberg H.Littorin M, et al. Among authors: sennbro cj.Scand J Work Environ Health. 2007 Aug;33(4):280-5. doi: 10.5271/sjweh.1144.Scand J Work Environ Health. 2007.PMID: 17717620Free article.
Sennbro CJ, Lindh CH, Tinnerberg H, Welinder H, Littorin M, Jönsson BA.Sennbro CJ, et al.Scand J Work Environ Health. 2004 Oct;30(5):371-8. doi: 10.5271/sjweh.825.Scand J Work Environ Health. 2004.PMID: 15534959Free article.