title: Vertebral abnormalities in first degree relatives of cases of spina bifida and of anencephaly.
mesh_terms: D000757:Anencephaly / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography; D016135:Spinal Dysraphism / Q000235:genetics*; D013131:Spine / Q000002:abnormalities* / Q000000981:diagnostic imaging