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Femur and humerus length in trisomy 21 fetuses at 11-14 weeks of gestation.
Longo D, DeFigueiredo D, Cicero S, Sacchini C, Nicolaides KH.
Ultrasound Obstet Gynecol 2004;23:143-7. -
Maxillary length at 11-14 weeks of gestation in fetuses with trisomy 21.
Cicero S, Curcio P, Rembouskos G, Sonek J, Nicolaides KH.
Ultrasound Obstet Gynecol 2004;24:19-22. -
Likelihood ratio for trisomy 21 in fetuses with absent nasal bone at the 11-14-week scan.
Cicero S, Rembouskos G, Vandecruys H, Hogg M, Nicolaides KH.
Ultrasound Obstet Gynecol 2004;23:218-23. -
Maternal serum levels of dimeric inhibin A in pregnancies affected by trisomy 21 in the first trimester.
Spencer K, Liao AW, Ong CY, Geerts L, Nicolaides KH.
Prenat Diagn 2001;21:441-4. -
Maternal serum levels of total activin-A in first-trimester trisomy 21 pregnancies.
Spencer K, Liao AW, Skentou H, Ong CY, Nicolaides KH.
Prenat Diagn 2001;21:270-3. -
First-trimester screening for trisomy 21 in singleton pregnancies achieved by assisted reproduction.
Liao AW, Heath V, Kametas N, Spencer K, Nicolaides KH.
Hum Reprod 2001;16:1501-4. -
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.