Outcomes in pregnancy.
Czeizel
Andrew E
AE
D001724:Birth Weight / Q000187:drug effects; D005260:Female; D005492:Folic Acid / Q000494:pharmacology*; D005865:Gestational Age; D006801:Humans; D006814:Hungary; D007231:Infant, Newborn; D011247:Pregnancy; D011256:Pregnancy Outcome; D014815:Vitamins / Q000494:pharmacology*
D014815:Vitamins; D005492:Folic Acid