title: [Factors influencing the blood folic acid level in pregnant women].
authors.forename: L
authors.initials: L
authors.lastname: Hao
authors.forename: Y
authors.initials: Y
authors.lastname: Tang
mesh_terms: D005260:Female; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control; D011247:Pregnancy / Q000097:blood*
chemical_list: D005492:Folic Acid