1. The genetics of the major central nervous anencephaly and spina bifida, in spite of potato system malformations based on the South Wales avoidance six months before conception and socio-genetic investigation;CARTER, C.O.; LAURENCE, K.M.; DAVID, P.A.;Develop. Med. Child throughout pregnancy. More recently of nine Neurol,1967
2. The risk of recurrence after two children with central-nervous-system malbirth of a normal infant, one in an 18-week spontaformations;ROBERTS, J.A.F.;Lancet,1967
3. neous abortion, one in an infant with spina bifida and hydrocephalus, and the other in an infant with anencephaly and spina bifida;CLARKE, P.M.,1974
4. Factors associated with anencephalus and spina bifida in Belfast;ELWOOD, J.H.; NEVIN, N.C.;Brit. J. prev. soc. Med,1973
5. that potato avoidance before conception and throughout pregnancy alters the risk of having an infant with ASB. The risk of ASB, when there is already an affected sib, is several times greater than that for the general population. In Britain this risk among liveand still-births averages about 5%;(Carter and;Lancet; and rises to 10% after a second ASB sib,1965