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Steinberger E, Smith KD, Tcholakian RK, Rodriguez-Rigau LJ.Steinberger E, et al.Am J Obstet Gynecol. 1979 Jan 15;133(2):133-8. doi: 10.1016/0002-9378(79)90463-0.Am J Obstet Gynecol. 1979.PMID: 420268