-
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. -
Preterm delivery and growth restriction in multifetal pregnancies reduced to twins.
Sebire NJ, Sherod C, Abbas A, Snijders RJ, Nicolaides KH.
Hum Reprod 1997;12:173-5.