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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. -
Increased nuchal translucency with normal karyotype.
Souka AP, Von Kaisenberg CS, Hyett JA, Sonek JD, Nicolaides KH.
Am J Obstet Gynecol 2005;192:1005-21.