title: Anencephaly in monozygotic twins and recurrence risk.
authors.forename: S G
authors.initials: SG
authors.lastname: Frints
authors.forename: C E
authors.initials: CE
authors.lastname: de Die-Smulders
authors.forename: T H
authors.initials: TH
authors.lastname: Hasaart
mesh_terms: D000757:Anencephaly / Q000453:epidemiology*; D004200:Diseases in Twins; D006801:Humans; D012008:Recurrence; D012307:Risk Factors; D014430:Twins, Monozygotic