-
The impact of correcting for smoking status when screening for chromosomal anomalies using maternal serum biochemistry and fetal nuchal translucency thickness in the first trimester of pregnancy.
Spencer K, Bindra R, Cacho AM, Nicolaides KH.
Prenat Diagn 2004;24:169-73. -
Screening for fetal trisomy 21 in the first trimester of pregnancy: maternal serum free beta-hCG and fetal nuchal translucency thickness.
Noble PL, Abraha HD, Snijders RJ, Sherwood R, Nicolaides KH.
Ultrasound Obstet Gynecol 1995;6:390-5. -
Maternal serum hCG and fetal nuchal translucency thickness for the prediction of fetal trisomies in the first trimester of pregnancy.
Brizot ML, Snijders RJ, Butler J, Bersinger NA, Nicolaides KH.
Br J Obstet Gynaecol 1995;102:127-32.