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Segev Y, Goldberg Y, Riskin-Mashiah S, Berdicef M, Lavie O, Auslender R.Segev Y, et al.Ultrasound Obstet Gynecol. 2012 Jun;39(6):723-5. doi: 10.1002/uog.10063. Epub 2012 Mar 22.Ultrasound Obstet Gynecol. 2012.PMID: 21837764Free article.