Familial data on 144 cases of anencephaly, spina bifida and congenital hydrocephaly.
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D000757:Anencephaly; D001921:Brain / Q000002:abnormalities*; D001927:Brain Diseases; D000013:Congenital Abnormalities / Q000235:genetics*; D004194:Disease; D040941:Heredity; D006801:Humans; D006849:Hydrocephalus / Q000151:congenital*; D009421:Nervous System Malformations; D016135:Spinal Dysraphism