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1 The predictive value of abnormal ultrasonographic finding for fetal trisomy in the second trimester
Eun Kyoung Kim, Jeong Heon Lee, Young Ju Jeong
Korean J Obstet Gynecol.2010;53(3):219-226.   Published online 2011 March 31     DOI: http://dx.doi.org/10.5468/kjog.2010.53.3.219
      

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