[Folic acid supplementation in the prevention of neural tube defects].
Nieto
Concepción
C
D019587:Dietary Supplements; D005315:Fetal Diseases / Q000517:prevention & control*; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control*; D016742:Preconception Care
D005492:Folic Acid