- Wright D, Syngelaki A, Bradbury I, Akolekar R, Nicolaides KH. First-trimester screening for trisomies 21, 18 and 13 by ultrasound and biochemical testing. Fetal Diagn Ther 2014;35:118-26 pdf
- Persico N, Fabietti I, Baffero G, Fedele L, Nicolaides KH. Fetal right ventricular contraction and relaxation times at 11-13 weeks' gestation by speckle tracking imaging. Ultrasound Obstet Gynecol 2014;43:284-90 pdf
- Maiz N, Valencia C, Emmanuel EE, Staboulidou I, Nicolaides KH. Screening for adverse pregnancy outcome by ductus venosus Doppler at 11-13+6 weeks of gestation. Obstet Gynecol 2008;112:598-605