- Hyett J, Perdu M, Sharland G, Snijders R, Nicolaides KH. Using fetal nuchal translucency to screen for major congenital cardiac defects at 10-14 weeks of gestation: population based cohort study. BMJ 1999;318:81-5
- Fowler D, Albaiges G, Lees C, Jones J, Nicolaides K, Miell J. The role of insulin-like growth factor binding protein-1 phosphoisoforms in pregnancies with impaired placental function identified by Doppler ultrasound. Hum Reprod 1999;14:2881-5
- Nikcevic AV, Snijders R, Nicolaides KH, Kupek E. Some psychometric properties of the Texas Grief Inventory adjusted for miscarriage. Br J Med Psychol 1999;72:171-8
- Tul N, Spencer K, Noble P, Chan C, Nicolaides K. Screening for trisomy 18 by fetal nuchal translucency and maternal serum free beta -hCG and PAPP-A at 10-14 weeks of gestation. Prenat Diagn 1999;19:1035-42 pdf
- von Kaisenberg CS, Brand-Saberi B, Jonat W, Nicolaides KH. Pathophysiology of increased nuchal translucency in chromosomally abnormal fetuses. Der Gynäkologe 1999;32:193-199
- Perdu M, Hyett JA, Sharland G, Snijders RS, Nicolaides KH. Nuchal translucency as a marker of congenital heart disease. Contracept Fertil Sex 1999;27:I-V
- Abraha HD, Noble PL, Nicolaides KH, Sherwood RA. Maternal serum S100 protein in normal and Down syndrome pregnancies. Prenat Diagn 1999;19:334-6 pdf
- Snijders RJ, Sundberg K, Holzgreve W, Henry G, Nicolaides KH. Maternal age and gestation-specific risk for trisomy 21. Ultrasound Obstet Gynecol 1999;13:167-70 pdf
- von Kaisenberg CS, Nicolaides KH, Brand-Saberi B. Lymphatic vessel hypoplasia in fetuses with Turner syndrome. Hum Reprod 1999;14:823-6
- Nikcevic AV, Tunkel SA, Kuczmierczyk AR, Nicolaides KH. Investigation of the cause of miscarriage and its influence on women's psychological distress. BJOG 1999;106:808-13
- Al-Mufti R, Hambley H, Farzaneh F, Nicolaides KH. Investigation of maternal blood enriched for fetal cells: role in screening and diagnosis of fetal trisomies. Am J Med Genet 1999;2;85:66-75
- Evans MI, Henry GP, Miller WA, Bui TH, Snidjers RJ, Wapner RJ, Miny P, Johnson MP, Peakman D, Johnson A, Nicolaides K, Holzgreve W, Ebrahim SA, Babu R, Jackson L. International, collaborative assessment of 146,000 prenatal karyotypes: expected limitations if only chromosome-specific probes and fluorescent in-situ hybridization are used. Hum Reprod 1999;14:1213-6
- Snijders RJ, Sebire NJ, Nayar R, Souka A, Nicolaides KH. Increased nuchal translucency in trisomy 13 fetuses at 10-14 weeks of gestation. Am J Med Genet 1999;86:205-7
- Efrat Z, Akinfenwa Y, Nicolaides KH. First-trimester determination of fetal gender by ultrasound. Ultrasound Obstet Gynecol 1999;13:305-7 pdf
- Brown RN, Di Luzio L, Gomes C, Nicolaides KH. First trimester umbilical venous Doppler sonography in chromosomally normal and abnormal fetuses. J Ultrasound Med 1999;18:543-6
- Souka AP, Heath V, Flint S, Sevastopoulou I, Nicolaides KH. Cervical length at 23 weeks in twins in predicting spontaneous preterm delivery. Obstet Gynecol 1999;94:450-4
- Matias A, Huggon I, Areias JC, Montenegro N, Nicolaides KH. Cardiac defects in chromosomally normal fetuses with abnormal ductus venosus blood flow at 10-14 weeks. Ultrasound Obstet Gynecol 1999;14:307-10 pdf
- Lees C, Albaiges G, Deane C, Parra M, Nicolaides KH. Assessment of umbilical arterial and venous flow using color Doppler. Ultrasound Obstet Gynecol 1999;14:250-5 pdf
- Spencer K, Souter V, Tul N, Snijders R, Nicolaides KH. A screening program for trisomy 21 at 10-14 weeks using fetal nuchal translucency, maternal serum free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A. Ultrasound Obstet Gynecol 1999;13:231-7 pdf