Wald, Rodeck, Hackshaw, Walters, Chitty, Mackinson: "First and second trimester antenatal screening for Down's syndrome: the results of the Serum, Urine and Ultrasound Screening Study (SURUSS)." dans: Health technology assessment (Winchester, England), Vol. 7, Issue 11, pp. 1-77, 2003 (PubMed).
"Abstracts of the 12th Fetal Cell Workshop. Prague, Czech Republic, May 12-13, 2001." dans: Fetal diagnosis and therapy, Vol. 16, Issue 6, pp. 437-64, 2002 (PubMed).
Bindra, Heath, Liao, Spencer, Nicolaides: "One-stop clinic for assessment of risk for trisomy 21 at 11-14 weeks: a prospective study of 15 030 pregnancies." dans: Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, Vol. 20, Issue 3, pp. 219-25, 2002 (PubMed).
Spencer, Souter, Tul, Snijders, Nicolaides: "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." dans: Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, Vol. 13, Issue 4, pp. 231-7, 1999 (PubMed).
Qin, Christiansen, Oxvig, Pettersson, Sottrup-Jensen, Koch, Nørgaard-Pedersen et al.: "Double-monoclonal immunofluorometric assays for pregnancy-associated plasma protein A/proeosinophil major basic protein (PAPP-A/proMBP) complex in first-trimester maternal serum screening for Down ..." dans: Clinical chemistry, Vol. 43, Issue 12, pp. 2323-32, 1998 (PubMed).