title: Pregnancy planning and vitamin/mineral use during pregnancy: results from a study in Portugal.
authors.forename: N
authors.initials: N
authors.lastname: Lunet
authors.forename: T
authors.initials: T
authors.lastname: Rodrigues
authors.forename: H
authors.initials: H
authors.lastname: Barros
mesh_terms: D005260:Female; D005492:Folic Acid / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans; D009436:Neural Tube Defects / Q000517:prevention & control; D011174:Portugal; D011247:Pregnancy; D014131:Trace Elements / Q000008:administration & dosage*; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D014131:Trace Elements; D014815:Vitamins; D005492:Folic Acid