The role of the case-control study in evaluating health interventions. Vitamin supplementation and neural tube defects

Am J Epidemiol. 1984 Dec;120(6):803-8. doi: 10.1093/oxfordjournals.aje.a113952.
No abstract available

Publication types

  • Clinical Trial
  • Review

MeSH terms

  • Clinical Trials as Topic / methods
  • Epidemiologic Methods
  • Female
  • Folic Acid Deficiency / complications*
  • Humans
  • Infant, Newborn
  • Neural Tube Defects / etiology
  • Neural Tube Defects / prevention & control*
  • Pregnancy
  • Random Allocation
  • Risk
  • Vitamins / therapeutic use*

Substances

  • Vitamins