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Maternal serum retinol-binding protein-4 at 11-13weeks' gestation in normal and pathological pregnancies.
Nanda S, Nikoletakis G, Markova D, Poon LC, Nicolaides KH.
Metabolism 2013;62:814-9. -
Asymmetric dimethylarginine, arginine and homoarginine at 11-13 weeks' gestation and preeclampsia: a case-control study.
Khalil AA, Tsikas D, Akolekar R, Jordan J, Nicolaides KH.
J Hum Hypertens 2013;27:38-43.