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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. -
Urine albumin concentration and albumin-to-creatinine ratio at 11(+0) to 13(+6) weeks in the prediction of pre-eclampsia.
Poon LC, Kametas N, Bonino S, Vercellotti E, Nicolaides KH.
BJOG 2008;115:866-73.