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Sonographic screening for trisomy 13 at 11 to 13(+6) weeks of gestation.
Papageorghiou AT, Avgidou K, Spencer K, Nix B, Nicolaides KH.
Am J Obstet Gynecol 2006;194:397-401. -
Cell-free DNA levels in pregnancies at risk of sickle-cell disease and significant ethnic variation.
Gerovassili A, Nicolaides KH, Thein SL, Rees DC.
Br J Haematol 2006;135:738-41. -
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.