title: Correspondence: will increasing folic acid in fortified grain products further reduce neural tube defects without causing harm?
authors: Martha Savaria
authors: MS
authors: Morris
authors: Paul F
authors: PF
authors: Jacques
authors: Irwin H
authors: IH
authors: Rosenberg
authors: Jacob
authors: J
authors: Selhub
mesh_terms: D000367:Age Factors; D003072:Cognition Disorders / Q000097:blood / Q000139:chemically induced*; D005492:Folic Acid / Q000009:adverse effects* / Q000097:blood / Q000627:therapeutic use*; D005527:Food, Fortified / Q000009:adverse effects*; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control*; D009749:Nutrition Surveys; D018570:Risk Assessment; D014805:Vitamin B 12 / Q000097:blood
chemical_list: D005492:Folic Acid; D014805:Vitamin B 12