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Chou MM, Tseng JJ, Hwang JI, Ho ES, Lee YH.Chou MM, et al. Among authors: tseng jj.Ultrasound Obstet Gynecol. 2001 Apr;17(4):362-3. doi: 10.1046/j.1469-0705.2001.00396.x.Ultrasound Obstet Gynecol. 2001.PMID: 11339200Free article.No abstract available.