R. Stone

Prevention of neural tube defects: Results of the Medical Research Council vitamin study

Nicholas Wald, Jean Sneddon, J. W. Densem et al. · International Journal of Gynecology & Obstetrics · 1992 · 2.4K citations

Medicine, Preventive Medicine, Micronutrient Deficiency +9

Prevention of neural tube defects: results of the Medical Research Council Vitamin Study. MRC Vitamin Study Research Group.

Jean Sneddon, J. W. Densem, N J Wald et al. · PubMed · 1991 · 1.8K citations

Agriculture, Nutrition, Preventive Medicine +16

First trimester concentrations of pregnancy associated plasma protein A and placental protein 14 in Down's syndrome.

Nicholas Wald, R. Stone, H S Cuckle et al. · BMJ · 1992 · 131 citations · Full text

Medicine, Obstetrics, Psychiatry +16

Relation of urinary cotinine concentrations to cigarette smoking and to exposure to other people's smoke.

Simon G. Thompson, R. Stone, Kiran Nanchahal et al. · Thorax · 1990 · 85 citations · Full text

Pharmacy, Toxicology, Analytical Toxicology +9

The tar reduction study: randomised trial of the effect of cigarette tar yield reduction on compensatory smoking.

Chris Frost, Frances M. Fullerton, A. M. Stephen et al. · Thorax · 1995 · 36 citations · Full text

Public Health, Preventive Medicine, Pulmonary Function Testing +13