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Stark CM, Smith RS, Lagrandeur RM, Batton DG, Lorenz RP.Stark CM, et al. Among authors: batton dg.Obstet Gynecol. 2000 Jan;95(1):48-50. doi: 10.1016/s0029-7844(99)00479-2.Obstet Gynecol. 2000.PMID: 10636501