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Assessment of the corpus callosum at 20-24 weeks' gestation by three-dimensional ultrasound examination.
Plasencia W, Dagklis T, Borenstein M, Csapo B, Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:169-72. -
Frontomaxillary facial angle in fetuses with trisomy 13 at 11 + 0 to 13 + 6 weeks.
Borenstein M, Persico N, Dagklis T, Faros E, Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:819-23.