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Nasal bone assessment in prenatal screening for trisomy 21.
Sonek JD, Cicero S, Neiger R, Nicolaides KH.
Am J Obstet Gynecol 2006;195:1219-30. -
Metopic suture in fetuses with Apert syndrome at 22-27 weeks of gestation.
Faro C, Chaoui R, Wegrzyn P, Levaillant JM, Benoit B, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;27:28-33. -
Maternal serum S100 protein in normal and Down syndrome pregnancies.
Abraha HD, Noble PL, Nicolaides KH, Sherwood RA.
Prenat Diagn 1999;19:334-6.