From the Food and Drug Administration.
Nightingale
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Office of Health Affairs, FDA, Rockville, MD 20857.
D004869:Equipment Safety; D004864:Equipment and Supplies / Q000600:supply & distribution*; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage*; D005515:Food Labeling / Q000592:standards*; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control*; D009751:Nutritional Requirements; D011247:Pregnancy; D014481:United States; D014486:United States Food and Drug Administration
D005492:Folic Acid