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British Journal of Obstetrics and Gynaecology|October 1, 1984
The identification of false-positive amniotic fluid acetylcholinesterase results due to fetal calf serum contaminationR D Barlow, H S Cuckle, N J WaldThorax|December 1, 1980
Inhaling habits among smokers of different types of cigaretteN J Wald, M Idle, J Boreham, et al.BMJ (Clinical Research Ed.)|April 6, 1991
By how much does dietary salt reduction lower blood pressure? II--Analysis of observational data within populationsC D Frost, M R Law, N J WaldBritish Journal of Obstetrics and Gynaecology|May 1, 1987
Estimating a woman's risk of having a pregnancy associated with Down's syndrome using her age and serum alpha-fetoprotein levelH S Cuckle, N J Wald, S G ThompsonBiology Letters|November 13, 2015
Environmental risk factors associated with bovine tuberculosis among cattle in high-risk areasB Winkler, F MathewsBritish Journal of Cancer|November 10, 2005
Surrogate markers and survival in women receiving first-line combination anthracycline chemotherapy for advanced breast cancerA Hackshaw, A Knight, P Barrett-Lee, et al.Occupational and Environmental Medicine|January 1, 1995
Occupational exposure to hydrazine and subsequent risk of cancerJ Morris, J W Densem, N J Wald, et al.Prenatal Diagnosis|September 1, 1994
Maternal serum free alpha- and free beta-human chorionic gonadotrophin in pregnancies with insulin-dependent diabetes mellitus: implications for screening for Down's syndromeN J Wald, J W Densem, R Cheng, et al.BJOG : an International Journal of Obstetrics and Gynaecology|June 17, 2004
SURUSS in perspectiveN J Wald, C Rodeck, A K Hackshaw, et al.Thorax|May 1, 1990
Relation of urinary cotinine concentrations to cigarette smoking and to exposure to other people's smokeS G Thompson, R Stone, K Nanchahal, et al.Pageof 535