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Sphenofrontal distance on three-dimensional ultrasound in euploid and trisomy-21 fetuses at 16-24 weeks' gestation.
Cossellu G, Persico N, D'Ambrosi F, Carbone F, Fabietti I, Boito S, Farronato G, Fedele L, Nicolaides KH.
Ultrasound Obstet Gynecol 2016;48:177-80. pdf -
Fetal right ventricular contraction and relaxation times at 11-13 weeks' gestation by speckle tracking imaging.
Persico N, Fabietti I, Baffero G, Fedele L, Nicolaides KH.
Ultrasound Obstet Gynecol 2014;43:284-90. pdf -
Meta-analysis of second-trimester markers for trisomy 21.
Agathokleous M, Chaveeva P, Poon LC, Kosinski P, Nicolaides KH.
Ultrasound Obstet Gynecol 2013;41:247-61. -
Prenatal diagnosis of triploidy during the second trimester of pregnancy.
Jauniaux E, Brown R, Rodeck C, Nicolaides KH.
Obstet Gynecol 1996;88:983-9.