-
Maternal plasma pentraxin 3 at 11 to 13 weeks of gestation in hypertensive disorders of pregnancy.
Akolekar R, Casagrandi D, Livanos P, Tetteh A, Nicolaides KH.
Prenat Diagn 2009;29:934-8. -
Serum CA125 at 11-14 weeks of gestation in women with morphologically normal ovaries.
Aslam N, Ong C, Woelfer B, Nicolaides K, Jurkovic D.
BJOG 2000;107:689-90.