-
First-trimester combined screening for trisomy 21 at 8-13 weeks.
Wright D, Spencer K, Kagan K, Tørring N, Petersen O, Christou A, Kallikas J, Nicolaides K.
Ultrasound Obstet Gynecol 2010;36:404-11. -
Chorionic villus sampling at 11 to 13 weeks of gestation and hypertensive disorders in pregnancy.
Khalil A, Akolekar R, Pandya P, Syngelaki A, Nicolaides K.
Obstet Gynecol 2010;116:374-80. -
Two-stage first-trimester screening for trisomy 21 by ultrasound assessment and biochemical testing.
Kagan K, Staboulidou I, Cruz JJ, Wright D, Nicolaides K.
Ultrasound Obstet Gynecol 2010;36:542-7. -
Screening for chromosomal abnormalities in the first trimester using ultrasound and maternal serum biochemistry in a one-stop clinic: a review of three years prospective experience.
Spencer K, Spencer CE, Power M, Dawson C, Nicolaides KH.
BJOG 2003;110:281-6. -
Screening for trisomy 21 in twins using first trimester ultrasound and maternal serum biochemistry in a one-stop clinic: a review of three years experience.
Spencer K, Nicolaides KH.
BJOG 2003;110:276-80. -
Integrated ultrasound and biochemical screening for trisomy 21 using fetal nuchal translucency, absent fetal nasal bone, free beta-hCG and PAPP-A at 11 to 14 weeks.
Cicero S, Bindra R, Rembouskos G, Spencer K, Nicolaides KH.
Prenat Diagn 2003;23:306-10.