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Benfield JR, Greenway FL, Bray GA, Barry RE, Lechago J, Mena I, Schedewie H.Benfield JR, et al. Among authors: bray ga.Surg Gynecol Obstet. 1976 Sep;143(3):401-10.Surg Gynecol Obstet. 1976.PMID: 1085495Clinical Trial.