title: Authors' reply to Amitai and Koren.
authors.affiliation: EUROCAT Central Registry, Centre for Maternal, Fetal and Infant Research, Institute of Nursing Research, University of Ulster, Newtownabbey, UK h.dolk@ulster.ac.uk.
authors.forename: Helen
authors.initials: H
authors.lastname: Dolk
authors.affiliation: Obstetrical, Perinatal and Pediatric Epidemiology Research Team, Center for Biostatistics and Epidemiology, INSERM U1153, Maternité de Port-Royal, 75014 Paris, France.
authors.forename: Babak
authors.initials: B
authors.lastname: Khoshnood
mesh_terms: D019587:Dietary Supplements / Q000706:statistics & numerical data*; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D009436:Neural Tube Defects; D011247:Pregnancy; D011248:Pregnancy Complications
chemical_list: D005492:Folic Acid