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Plunkett BA, Lin A, Wong CA, Grobman WA, Peaceman AM.Plunkett BA, et al. Among authors: grobman wa.Obstet Gynecol. 2003 Jul;102(1):109-14. doi: 10.1016/s0029-7844(03)00479-4.Obstet Gynecol. 2003.PMID: 12850615Clinical Trial.