title: [Seasonal cumulation of anencephaly and spina bifida aperta].
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology; D000757:Anencephaly / Q000150:complications / Q000453:epidemiology*; D005260:Female; D006801:Humans; D006814:Hungary; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D012621:Seasons; D016136:Spina Bifida Occulta / Q000150:complications / Q000453:epidemiology*
vernacular_title: Saisonale Anhäufung der Anenzephalie und Spina bifida aperta.