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Magnus P, Jaakkola JJ, Skrondal A, Alexander J, Becher G, Krogh T, Dybing E.Magnus P, et al. Among authors: becher g.Epidemiology. 1999 Sep;10(5):513-7.Epidemiology. 1999.PMID: 10468423
Holme JA, Steffensen IL, Brunborg G, Becher G, Alexander J.Holme JA, et al. Among authors: becher g.Tidsskr Nor Laegeforen. 1999 Jun 30;119(17):2528-30.Tidsskr Nor Laegeforen. 1999.PMID: 10425909Review.Norwegian.
Eggesbø M, Stigum H, Longnecker MP, Polder A, Aldrin M, Basso O, Thomsen C, Skaare JU, Becher G, Magnus P.Eggesbø M, et al. Among authors: becher g.Environ Res. 2009 Jul;109(5):559-66. doi: 10.1016/j.envres.2009.04.001. Epub 2009 May 2.Environ Res. 2009.PMID: 19410245Free PMC article.