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Prenatal Diagnosis|December 1, 1989
Amniotic fluid acetylcholinesterase measurement in the prenatal diagnosis of open neural tube defects. Second report of the Collaborative Acetylcholinesterase StudyN Wald, H Cuckle, K Nanchahal
British Journal of Obstetrics and Gynaecology|February 1, 1978
Maternal serum alpha-fetoprotein levels in triplet and quadruplet pregnancyN Wald, H Cuckle, G Stirrat
British Medical Journal (Clinical Research Ed.)|March 7, 1981
Trends in tar, nicotine, and carbon monoxide yields of UK cigarettes manufactured since 1934N Wald, R Doll, G Copeland
British Journal of Cancer|December 1, 1986
Serum retinol and subsequent risk of cancerN Wald, J Boreham, A Bailey
Mutation Research|June 1, 1992
Chromosome aberrations reduced in whole-body irradiated mice by pretreatment with cyanideJ Schubert, S F Pan, N Wald
BMJ (Clinical Research Ed.)|January 1, 1994
How effective is nicotine replacement therapy in helping people to stop smoking?J L Tang, M Law, N Wald
British Journal of Obstetrics and Gynaecology|June 1, 1993
The use of free beta-hCG in antenatal screening for Down's syndromeN Wald, J Densem, R Stone, et al.
British Medical Journal (Clinical Research Ed.)|September 29, 1984
Placebo controlled trial of nicotine chewing gum in general practiceK Jamrozik, G Fowler, M Vessey, et al.
British Journal of Industrial Medicine|February 1, 1984
Occupational exposure to hydrazine and subsequent risk of cancerN Wald, J Boreham, R Doll, et al.
British Journal of Obstetrics and Gynaecology|March 1, 1980
Small biparietal diameter of fetuses with spina bifida: implications for antenatal screeningN Wald, H Cuckle, J Boreham, et al.
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