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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. -
A novel approach to first-trimester screening for early pre-eclampsia combining serum PP-13 and Doppler ultrasound.
Nicolaides KH, Bindra R, Turan OM, Chefetz I, Sammar M, Meiri H, Tal J, Cuckle HS.
Ultrasound Obstet Gynecol 2006;27:13-7.