-
First-trimester prediction of hypertensive disorders in pregnancy.
Poon LC, Kametas NA, Maiz N, Akolekar R, Nicolaides KH.
Hypertension 2009;53:812-8. -
Hypertensive disorders in pregnancy: screening by uterine artery Doppler imaging and blood pressure at 11-13 weeks.
Poon LC, Karagiannis G, Leal A, Romero XC, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;34:497-502.