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Cardiac defects in chromosomally normal fetuses with abnormal ductus venosus blood flow at 10-14 weeks.
Matias A, Huggon I, Areias JC, Montenegro N, Nicolaides KH.
Ultrasound Obstet Gynecol 1999;14:307-10. -
Fetal heart rate at 10-14 weeks and birthweight.
Sebire NJ, Nayar R, Carvalho M, Soares W, Nicolaides KH.
BJOG 1997;104:1207-9. -
Cardiac defects in 1st-trimester fetuses with trisomy 18.
Hyett JA, Moscoso G, Nicolaides KH.
Fetal Diagn Ther 1995;10:381-6.