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The New England Journal of Medicine|April 3, 1975
Antenatal exposure to meprobamate and chlordiazepoxide in relation to malformations, mental development, and childhood mortalityS C Hartz, O P Heinonen, S Shapiro, et al.
The New England Journal of Medicine|January 13, 1977
Cardiovascular birth defects and antenatal exposure to female sex hormonesO P Heinonen, D Slone, R R Monson, et al.
Lancet (London, England)|June 26, 1976
Aspirin and congenital malformationsD Slone, V Siskind, O P Heinonen, et al.
Acta Oncologica (Stockholm, Sweden)|July 24, 1998
Controlled trials and chemoprevention of cancerO P Heinonen
Lancet (London, England)|June 26, 1976
Perinatal mortality and birth-weight in relation to aspirin taken during pregnancyS Shapiro, V Siskind, R R Monson, et al.
JAMA|May 7, 1982
Birth defects and vaginal spermicidesS Shapiro, D Slone, O P Heinonen, et al.
European Journal of Epidemiology|January 1, 1992
Risk factors for conal malformations of the heartJ Tikkanen, O P Heinonen
European Journal of Epidemiology|July 1, 1992
Risk factors for atrial septal defectJ Tikkanen, O P Heinonen
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