-
The umbilical artery pulsatility index in the first trimester: is there an association with increased nuchal translucency or chromosomal abnormality?
Brown R, Di Luzio L, Gomes C, Nicolaides KH.
Ultrasound Obstet Gynecol 1998;12:244-7. -
Early prenatal diagnosis of triploidy.
Jauniaux E, Brown R, Snijders RJ, Noble P, Nicolaides KH.
Am J Obstet Gynecol 1997;176:550-4. -
Fetal heart rate and umbilico-placental Doppler flow velocity waveforms in early pregnancies with a chromosomal abnormality and/or an increased nuchal translucency thickness.
Jauniaux E, Gavrill P, Kuhn P, Kurdi W, Hyett J, Nicolaides KH.
Hum Reprod 1996;11:435-9.