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LaRocco-Cockburn A, Melville J, Bell M, Katon W.LaRocco-Cockburn A, et al.Obstet Gynecol. 2003 May;101(5 Pt 1):892-8. doi: 10.1016/s0029-7844(03)00171-6.Obstet Gynecol. 2003.PMID: 12738146