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2. Spina bifida and anencephalus in Greater London;Carter, C.O.; Evans, K.;J Med Genet,1973
3. A family study of spina bifida and anencephalus;Nevin, N.C.; Johnston, W.P.;Belfast, Northern Ireland (1964 to; J Med Genet,1968
4. Who's for amniocentesis? An investigation of factors affecting the uptake of prenatal screening for Down's syndrome and neural tube defect in the South-East Thames Region;Maryon-Davis, A.R.,1978
5. Recurrence risk of neural tube defect;Nevin, N.C.;Lancet,1980