1. MIaternal serum screening for Down's syndrome: the effect of routine ultrasound scan determination of gestational age and adjustment for maternal weight;Wald, N.J.; Cuckle, H.S.; Densem, J.W.; Kennard, A.; Smith, D.;Br J Obstet Gynaecol,1992
2. Estimating a woman's risk of having a pregnancy associated with Down's syndromc using her age and serum alphafetoprotein level;Cuckle, H.S.; Wald, N.J.; Thompson, S.G.;Brj Obstet GCvnaecol,1987
3. MIaternal serum alpha-fetoprotein measurement in antenatal screening for anencephaly and spina bifida in early pregnancy. Report of the UK collaborative study on alpha-fetoprotein in relation to neural-tube defects;Wald, N.J.; Cuckle, H.; Brock, D.J.H.; Peto, R.; Polani, P.E.; Woodford, F.P.;Lancet,1977
4. Birth prevalence of Down's syndrome in England and Wales;Cuckle, H.; Nanchahal, K.; Wald, N.;Prenatal Diagnosis,1991
5. Combining maternal serum alpha-fetoprotein, unconjugated estriol and human chorionic gonadotropin measurements with maternal age to screen for fetal Down syndrome: A demonstration project;Haddow, J.E.; Palomaki, G.E.; Knight, G.J.; Williams, J.; Pulkkinen, A.; Canick, J.A.