title: Anencephaly and spina bifida: a possible example of cytoplasmic inheritance in man.
mesh_terms: D000757:Anencephaly / Q000235:genetics*; D003593:Cytoplasm / Q000002:abnormalities*; D004200:Diseases in Twins; D006801:Humans; D016135:Spinal Dysraphism / Q000235:genetics*