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Midbrain and falx in fetuses with absent corpus callosum at 11-13 weeks.
Lachmann R, Sodre D, Barmpas M, Akolekar R, Nicolaides KH.
Fetal Diagn Ther 2013;33:41-6. -
Trisomy 13 detection in the first trimester of pregnancy using a chromosome-selective cell-free DNA analysis method.
Ashoor G, Syngelaki A, Wang E, Struble C, Oliphant A, Song K, Nicolaides KH.
Ultrasound Obstet Gynecol 2013;41:21-5.