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Perry KG Jr, Morrison JC, Rust OA, Sullivan CA, Martin RW, Naef RW 3rd.Perry KG Jr, et al. Among authors: naef rw 3rd.Am J Obstet Gynecol. 1995 Oct;173(4):1273-7. doi: 10.1016/0002-9378(95)91369-6.Am J Obstet Gynecol. 1995.PMID: 7485336