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Shobeiri SA, Chimpiri AR, Allen A, Nihira MA, Quiroz LH.Shobeiri SA, et al. Among authors: nihira ma.Obstet Gynecol. 2009 Aug;114(2 Pt 2):480-482. doi: 10.1097/AOG.0b013e3181ae6ad6.Obstet Gynecol. 2009.PMID: 19622969