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Chronic hypertension and adverse pregnancy outcomes: a cohort study.
Panaitescu AM, Syngelaki A, Prodan N, Akolekar R, Nicolaides KH.
Ultrasound Obstet Gynecol 2017;50:228-235. pdf -
Comparison of color Doppler uterine artery indices in a population at high risk for adverse outcome at 24 weeks' gestation.
Albaiges G, Missfelder-Lobos H, Parra M, Lees C, Cooper D, Nicolaides KH.
Ultrasound Obstet Gynecol 2003;21:170-3.