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Assessment of the gap between the fetal nasal bones at 11 to 13 + 6 weeks of gestation by three-dimensional ultrasound.
Peralta CF, Falcon O, Wegrzyn P, Faro C, Nicolaides KH.
Ultrasound Obstet Gynecol 2005;25:464-7. -
Maternal serum biochemistry at 11-13(+6) weeks in relation to the presence or absence of the fetal nasal bone on ultrasonography in chromosomally abnormal fetuses: an updated analysis of integrated ultrasound and biochemical screening.
Cicero S, Spencer K, Avgidou K, Faiola S, Nicolaides KH.
Prenat Diagn 2005;25:977-83. -
Assessment of the fetal nasal bone at 11-14 weeks of gestation by three-dimensional ultrasound.
Rembouskos G, Cicero S, Longo D, Vandecruys H, Nicolaides KH.
Ultrasound Obstet Gynecol 2004;23:232-6. -
Nuchal translucency and other first-trimester sonographic markers of chromosomal abnormalities.
Nicolaides KH.
Am J Obstet Gynecol 2004;191:45-67.