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Rauch ER, Jean-Pierre C, Mohan-Saha A, Huang M, Chasen S.Rauch ER, et al.Am J Obstet Gynecol. 2007 May;196(5):e43-4. doi: 10.1016/j.ajog.2006.11.044.Am J Obstet Gynecol. 2007.PMID: 17466677