Spina bifida and anencephaly: fewer patients, more problems.
D000014:Abnormalities, Drug-Induced; D000757:Anencephaly / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000517:prevention & control; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016136:Spina Bifida Occulta / Q000139:chemically induced / Q000453:epidemiology*; D006113:United Kingdom; D014481:United States; D014635:Valproic Acid / Q000009:adverse effects; D014815:Vitamins / Q000627:therapeutic use
D014815:Vitamins; D014635:Valproic Acid