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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. -
The role of uterine artery Doppler in predicting adverse pregnancy outcome.
Papageorghiou AT, Yu CK, Nicolaides KH.
Best Pract Res Clin Obstet Gynaecol 2004;18:383-96. -
Second-trimester uterine artery Doppler screening in unselected populations: a review.
Papageorghiou AT, Yu CK, Cicero S, Bower S, Nicolaides KH.
J Matern Fetal Neonatal Med 2002;12:78-88.