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Impaired placental perfusion and major fetal cardiac defects.
Fantasia I, Andrade W, Syngelaki A, Akolekar R, Nicolaides KH.
Ultrasound Obstet Gynecol 2019;53:68-72. pdf -
Screening for adverse pregnancy outcome by ductus venosus Doppler at 11-13+6 weeks of gestation.
Maiz N, Valencia C, Emmanuel EE, Staboulidou I, Nicolaides KH.
Obstet Gynecol 2008;112:598-605.