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Prenatal ultrasonographic diagnosis of nasal bone abnormalities in three fetuses with Down syndrome.
Sonek JD, Nicolaides KH.
Am J Obstet Gynecol 2002;186:139-41. -
Fetal nasal bone length in chromosomally normal and abnormal fetuses at 11-14 weeks of gestation.
Cicero S, Bindra R, Rembouskos G, Tripsanas C, Nicolaides KH.
J Matern Fetal Neonatal Med 2002;11:400-2. -
Absence of nasal bone in fetuses with trisomy 21 at 11-14 weeks of gestation: an observational study.
Cicero S, Curcio P, Papageorghiou A, Sonek J, Nicolaides K.
Lancet 2001;358:1665-7. -
Cardiac defects in chromosomally normal fetuses with abnormal ductus venosus blood flow at 10-14 weeks.
Matias A, Huggon I, Areias JC, Montenegro N, Nicolaides KH.
Ultrasound Obstet Gynecol 1999;14:307-10. -
Screening for chromosomal abnormalities at 10-14 weeks: the role of ductus venosus blood flow.
Matias A, Gomes C, Flack N, Montenegro N, Nicolaides KH.
Ultrasound Obstet Gynecol 1998;12:380-4.