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Saucedo M, Deneux-Tharaux C, Bouvier-Colle MH.Saucedo M, et al.BJOG. 2012 Apr;119(5):573-81. doi: 10.1111/j.1471-0528.2011.03220.x. Epub 2011 Dec 13.BJOG. 2012.PMID: 22168131Free article.