-
First-trimester contingent screening for trisomy 21 by biomarkers and maternal blood cell-free DNA testing.
Nicolaides KH, Wright D, Poon LC, Syngelaki A, Gil MM.
Ultrasound Obstet Gynecol 2013;42:41-50. pdf -
First-trimester contingent screening for trisomies 21, 18 and 13 by biomarkers and maternal blood cell-free DNA testing.
Nicolaides KH, Syngelaki A, Poon LC, Gil M, Wright D.
Fetal Diagn Ther 2014;35:185-92. pdf -
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.