Impact of folic acid fortification in the United States.
Clarke
Henry Courtenay
HC
D005260:Female; D005492:Folic Acid / Q000008:administration & dosage*; D005527:Food, Fortified; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control*; D011247:Pregnancy; D014481:United States
D005492:Folic Acid