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Hypertensive disorders in pregnancy: screening by biophysical and biochemical markers at 11-13 weeks.
Poon LC, Akolekar R, Lachmann R, Beta J, Nicolaides KH.
Ultrasound Obstet Gynecol 2010;35:662-70. -
Hypertensive disorders in pregnancy: combined screening by uterine artery Doppler, blood pressure and serum PAPP-A at 11-13 weeks.
Poon LC, Stratieva V, Piras S, Piri S, Nicolaides KH.
Prenat Diagn 2010;30:216-23. -
Chorionic villus sampling at 11 to 13 weeks of gestation and hypertensive disorders in pregnancy.
Khalil A, Akolekar R, Pandya P, Syngelaki A, Nicolaides K.
Obstet Gynecol 2010;116:374-80.