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First-trimester determination of fetal gender by ultrasound.
Efrat Z, Akinfenwa Y, Nicolaides KH.
Ultrasound Obstet Gynecol 1999;13:305-7. -
First trimester umbilical venous Doppler sonography in chromosomally normal and abnormal fetuses.
Brown RN, Di Luzio L, Gomes C, Nicolaides KH.
J Ultrasound Med 1999;18:543-6. -
Investigation of maternal blood enriched for fetal cells: role in screening and diagnosis of fetal trisomies.
Al-Mufti R, Hambley H, Farzaneh F, Nicolaides KH.
Am J Med Genet 1999;2;85:66-75. -
Maternal serum S100 protein in normal and Down syndrome pregnancies.
Abraha HD, Noble PL, Nicolaides KH, Sherwood RA.
Prenat Diagn 1999;19:334-6.