-
Noninvasive prenatal detection of fetal trisomy 18 by epigenetic allelic ratio analysis in maternal plasma: theoretical and empirical considerations.
Tong YK, Ding C, Chiu RW, Gerovassili A, Chim SS, Leung TY, Leung TN, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2006;52:2194-202. -
Cell-free DNA levels in pregnancies at risk of sickle-cell disease and significant ethnic variation.
Gerovassili A, Nicolaides KH, Thein SL, Rees DC.
Br J Haematol 2006;135:738-41. -
Detection of trisomy 21 by quantitative mass spectrometric analysis of single-nucleotide polymorphisms.
Tsui NB, Chiu RW, Ding C, El-Sheikhah A, Leung TN, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2005;51:2358-62. -
Comparison of protocols for extracting circulating DNA and RNA from maternal plasma.
Chiu RW, Lui WB, El-Sheikhah A, Chan AT, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2005;51:2209-10. -
First-trimester maternal serum activin A in pre-eclampsia and fetal growth restriction.
Ong CY, Liao AW, Munim S, Spencer K, Nicolaides KH.
J Matern Fetal Neonatal Med 2004;15:176-80. -
Evaluation of human chorionic gonadotropin beta-subunit mRNA concentrations in maternal serum in aneuploid pregnancies: A feasibility study.
Ng EK, El-Sheikhah A, Chiu RW, Chan KC, Hogg M, Bindra R, Leung TN, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2004;50:1055-7. -
Maternal serum activin A and inhibin A in trisomy 18 pregnancies at 10-14 weeks.
Spencer K, Liao AW, Ong CY, Flack NJ, Nicolaides KH.
Prenat Diagn 2001;21:571-4. -
Maternal serum levels of dimeric inhibin A in pregnancies affected by trisomy 21 in the first trimester.
Spencer K, Liao AW, Ong CY, Geerts L, Nicolaides KH.
Prenat Diagn 2001;21:441-4. -
Maternal serum levels of total activin-A in first-trimester trisomy 21 pregnancies.
Spencer K, Liao AW, Skentou H, Ong CY, Nicolaides KH.
Prenat Diagn 2001;21:270-3. -
Endothelial nitric oxide synthase gene polymorphism and maternal vascular adaptation to pregnancy.
Savvidou MD, Vallance PJ, Nicolaides KH, Hingorani AD.
Hypertension 2001;38:1289-93. -
Raised maternal serum inhibin A concentration at 10 to 14 weeks of gestation is associated with pre-eclampsia.
Sebire NJ, Roberts L, Noble P, Wallace E, Nicolaides KH.
BJOG 2000;107:795-7. -
Maternal serum inhibin-A and free beta-hCG concentrations in trisomy 21 pregnancies at 10-14 weeks of gestation.
Noble PL, Wallace EM, Snijders RJ, Groome NP, Nicolaides KH.
BJOG 1997;104:367-71. -
Exhaled nitric oxide concentration and amniotic fluid nitrite concentration during pregnancy.
Morris-NH, Carroll S, Nicolaides KH, Steer PJ, Warren JB.
Eur J Clin Invest 1995;25:138-41.