title: Valproate and spina bifida.
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012307:Risk Factors; D013030:Spain; D016136:Spina Bifida Occulta / Q000139:chemically induced* / Q000453:epidemiology; D014635:Valproic Acid / Q000009:adverse effects*
chemical_list: D014635:Valproic Acid