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Lancet (London, England)|January 15, 1977
Carboxyhaemoglobin levels in smokers of filter and plain cigarettesN Wald, M Idle, P G Smith
British Medical Journal|March 31, 1973
Association between atherosclerotic diseases and carboxyhaemoglobin levels in tobacco smokersN Wald, S Howard, P G Smith, et al.
Cancer Surveys|January 1, 1987
Retinol, beta-carotene and cancerN Wald
Journal of Radiation Research|March 1, 1992
Biomedical rationale for cytogenetic dosimetryN Wald
Prenatal Diagnosis|February 1, 1987
The impact of screening for open neural tube defects in England and WalesH Cuckle, N Wald
American Journal of Medical Genetics|September 1, 1988
AFP and age screening for Down syndromeN Wald, H Cuckle
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