1. The risk of recurrence after two children with central nervous system malformations;Carter, C.O.; Roberts, J.A.F.;Lancet,1967
2. A study of 137 cases of anencephaly;Coffey, V.P.; Jessop, W.J.E.;Brit. prev. soc. Med,1957
3. Congenital malformations of the central nervous system in Scotland;Edwards, J.H.;ibid,1958
4. The simulation of Mendelism;Edwards, J.H.;Acta genet. (Basel),1960
5. The inheritance of liability to certain diseases, estimated from the incidence among relatives;Falconer, D.S.,1965