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Prediction of pregnancy complications by first-trimester maternal serum PAPP-A and free beta-hCG and with second-trimester uterine artery Doppler.
Spencer K, Yu CK, Cowans NJ, Otigbah C, Nicolaides KH.
Prenat Diagn 2005;25:949-53. -
Coelomic fluid leptin concentration in normal first-trimester pregnancies and missed miscarriages.
Makrydimas G, Vandecruys H, Sotiriadis A, Lakasing L, Spencer K, Nicolaides KH.
Fetal Diagn Ther 2005;20:406-9.