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Maternal serum placental growth factor at 11 + 0 to 13 + 6 weeks of gestation in the prediction of pre-eclampsia.
Akolekar R, Zaragoza E, Poon LC, Pepes S, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:732-9. -
Some thoughts on the true value of ultrasound.
Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:671-4.