title: Letter to the editor. Discordant twins for neural tube defect on treatment with sodium valproate.
authors.forename: D L W
authors.initials: DL
authors.lastname: Davidson
mesh_terms: D000328:Adult; D000927:Anticonvulsants / Q000009:adverse effects*; D004827:Epilepsy / Q000188:drug therapy* / Q000209:etiology*; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000139:chemically induced* / Q000150:complications*; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D014427:Twins / Q000523:psychology*; D014635:Valproic Acid / Q000009:adverse effects*
chemical_list: D000927:Anticonvulsants; D014635:Valproic Acid