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Frontomaxillary facial angle in fetuses with spina bifida at 11-13 weeks.
Lachmann R, Picciarelli G, Moratalla J, Green N, Nicolaides KH.
Ultrasound Obstet Gynecol 2010;36:268-71. -
Effect of chorionic villus sampling on uterine artery Doppler.
Khalil A, Akolekar R, Syngelaki A, Penco JM, Nicolaides KH.
Fetal Diagn Ther 2010;28:9-13.