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Kase N, Mroueh A, Olson LE.Kase N, et al.Am J Obstet Gynecol. 1967 Aug 15;98(8):1037-42. doi: 10.1016/0002-9378(67)90025-7.Am J Obstet Gynecol. 1967.PMID: 4951884No abstract available.