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United States
Canada
Risk Factors
Glycemic Index
Prevalence
Odds Ratio
Logistic Models
Socioeconomic Factors
Pregnancy
Case Control Studies
Cleft Lip
Cleft Palate
Craniosynostoses
Spinal Dysraphism
Young Adult
Newborn Infant
Mothers
Fortified Food
Folic Acid
Public Health
Co-Publications
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