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First-trimester maternal serum matrix metalloproteinase-9 (MMP-9) and adverse pregnancy outcome.
Poon LC, Nekrasova E, Anastassopoulos P, Livanos P, Nicolaides KH.
Prenat Diagn 2009;29:553-9. -
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.