Forgot?
Folic Acid
Vitamins
Pregnancy
Neural Tube Defects
Folic Acid Deficiency
Spinal Dysraphism
Newborn Infant
United States
Georgia
Prenatal Care
Case Control Studies
Preconception Care
Population Surveillance
Nutrition Surveys
Fortified Food
Dietary Supplements
Risk Factors
Prevalence
Odds Ratio
Maternal Age
Co-Publications
18
9
6
5
3
2
Flash Player Required