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Prenatal Diagnosis|May 16, 2003
Using Down syndrome serum screening results to predict low birthweightT Huang, E Alberman, H C Watt, et al.Journal of Medical Screening|October 7, 2009
Ductus venosus pulsatility index as an antenatal screening marker for Down's syndrome: use with the Combined and Integrated testsA Borrell, V Borobio, J P Bestwick, et al.Prenatal Diagnosis|August 1, 1994
Value of maternal serum unconjugated oestriol measurement in prenatal screening for Down's syndromeN J Wald, A Kennard, H C Watt, et al.British Journal of Obstetrics and Gynaecology|July 1, 1980
Birth weight of infants with spina bifida cysticaN J Wald, H S Cuckle, J Boreham, et al.Seminars in Perinatology|August 18, 2005
SURUSS in perspectiveN J Wald, C Rodeck, A K Hackshaw, et al.Journal of Medical Screening|January 1, 1996
Empirical validation of risk screening for Down's syndromeN J Wald, A K Hackshaw, W Huttly, et al.British Journal of Obstetrics and Gynaecology|January 1, 1989
Repeat maternal serum alpha-fetoprotein testing in antenatal screening programmes for Down's syndromeH S Cuckle, N J Wald, K Nanchahal, et al.British Journal of Cancer|August 11, 2012
Stopping clinical trials early for futility: retrospective analysis of several randomised clinical studiesM Jitlal, I Khan, S M Lee, et al.International Journal of Aging & Human Development|January 1, 1987
Perceptions of older adults: differences by age and sex among children in a Costa Rican communityJ Mitchell, H F MathewsBiodiversity and Conservation|January 31, 2020
Basic mathematical errors may make ecological assessments unreliableP R Lintott, F MathewsPageof 535