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Cnattingius S, Reilly M, Pawitan Y, Lichtenstein P.Cnattingius S, et al.Am J Med Genet A. 2004 Nov 1;130A(4):365-71. doi: 10.1002/ajmg.a.30257.Am J Med Genet A. 2004.PMID: 15384082
Valdimarsdóttir U, Hultman CM, Harlow B, Cnattingius S, Sparén P.Valdimarsdóttir U, et al. Among authors: cnattingius s.PLoS Med. 2009 Feb 10;6(2):e13. doi: 10.1371/journal.pmed.1000013.PLoS Med. 2009.PMID: 19209952Free PMC article.
Sandström A, Cnattingius S, Wikström AK, Stephansson O.Sandström A, et al. Among authors: cnattingius s.BJOG. 2012 Dec;119(13):1648-56. doi: 10.1111/j.1471-0528.2012.03502.x. Epub 2012 Oct 19.BJOG. 2012.PMID: 23078516