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Lancet (London, England)|January 17, 1976
Mortality from lung cancer and coronary heart-disease in relation to changes in smoking habitsN J WaldCiba Foundation Symposium|January 1, 1994
Folic acid and neural tube defects: the current evidence and implications for preventionN J WaldBibliotheca Nutritio Et Dieta|January 1, 1995
Folic acid and the prevention of neural tube defects: the need for public health actionN J WaldProgress in Clinical and Biological Research|January 1, 1995
Antenatal screening for Down syndromeN J WaldArchives of Internal Medicine|March 20, 2001
Randomized trial of folic acid supplementation and serum homocysteine levelsD S Wald, L Bishop, N J Wald, et al.British Journal of Obstetrics and Gynaecology|August 1, 1978
Maternal serum alpha-fetoprotein and birth weight in twin pregnanciesN J Wald, H CuckleCurrent Opinion in Obstetrics & Gynecology|April 1, 1992
Prenatal biochemical screening for Down's syndrome and neural tube defectsN J Wald, A KennardBritish Journal of Preventive & Social Medicine|March 1, 1977
Cigarette smoking patterns during the working dayT W Meade, N J WaldBritish Journal of Obstetrics and Gynaecology|June 1, 1984
Neural-tube defects and vitamins: the need for a randomized clinical trialN J Wald, P E PolaniPageof 83