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Combined screening for preeclampsia and small for gestational age at 11-13 weeks.
Poon LC, Syngelaki A, Akolekar R, Lai J, Nicolaides KH.
Fetal Diagn Ther 2013;33:16-27. -
First-trimester biochemical markers of aneuploidy and the prediction of small-for-gestational age fetuses.
Spencer K, Cowans NJ, Avgidou K, Molina F, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:15-9.