Pregnancy planning and vitamin/mineral use during pregnancy: results from a study in Portugal.
Lunet
N
N
Rodrigues
T
T
Barros
H
H
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*
D014131:Trace Elements; D014815:Vitamins; D005492:Folic Acid