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Saraiya M, Green CA, Berg CJ, Hopkins FW, Koonin LM, Atrash HK.Saraiya M, et al. Among authors: atrash hk.Obstet Gynecol. 1999 Aug;94(2):172-6. doi: 10.1016/s0029-7844(99)00280-x.Obstet Gynecol. 1999.PMID: 10432122