title: [Reduced number of neural tube defects after folic acid supplementation in China].
authors.forename: P
authors.initials: P
authors.lastname: Orn
mesh_terms: D002681:China / Q000453:epidemiology; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage*; D006801:Humans; D008431:Maternal-Fetal Exchange; D009436:Neural Tube Defects / Q000453:epidemiology / Q000517:prevention & control*; D011247:Pregnancy
chemical_list: D005492:Folic Acid