title: Folic acid supplementation and risk reduction in preterm birth.
authors: Andrew E
authors: AE
authors: Czeizel
authors: Ferenc
authors: F
authors: Bánhidy
mesh_terms: D005260:Female; D047109:Fetal Development / Q000187:drug effects*; D006801:Humans; D007236:Infant, Small for Gestational Age; D039382:Maternal Nutritional Physiological Phenomena; D050177:Overweight / Q000150:complications*; D011247:Pregnancy; D047928:Premature Birth / Q000517:prevention & control*; D014815:Vitamins / Q000494:pharmacology*
chemical_list: D014815:Vitamins