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British Medical Bulletin|January 1, 1996
Cigarette smoking: an epidemiological overviewN J Wald, A K HackshawPrenatal Diagnosis|November 1, 1987
Vaginal bleeding in pregnancies associated with fetal Down syndromeH S Cuckle, N J WaldPrenatal Diagnosis|September 18, 2001
Assessment of the value of reporting partial screening results in prenatal screening for Down syndromeA K Hackshaw, N J WaldPrenatal Diagnosis|September 18, 2001
Inaccurate estimation of risk in second trimester serum screening for Down syndrome among women who have already had first trimester screeningA K Hackshaw, N J WaldJournal of Medical Screening|August 2, 2001
Multiple marker second trimester serum screening for pre-eclampsiaN J Wald, J K MorrisJournal of Medical Screening|January 11, 2014
Is the area under an ROC curve a valid measure of the performance of a screening or diagnostic test?N J Wald, J P BestwickPrenatal Diagnosis|October 8, 1997
Combining ultrasound and biochemistry in first-trimester screening for Down's syndromeN J Wald, A K HackshawPrenatal Diagnosis|February 17, 2001
Repeat testing in antenatal screening for Down syndrome using dimeric inhibin-A in combination with other maternal serum markersA K Hackshaw, N J WaldThe American Journal of Clinical Nutrition|September 1, 1990
Trends in individual consumption of dietary fat in the United States, 1920-1984A M Stephen, N J WaldPageof 534