Plasma homocyst(e)ine levels and folic acid supplementation.
Pérez-Escamilla
R
R
D004032:Diet; D019587:Dietary Supplements; D005492:Folic Acid / Q000008:administration & dosage*; D005527:Food, Fortified; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control; D018673:Nutrition Policy; D014481:United States
D005492:Folic Acid