1. are affected close relatives. The large family in the;Campbell, M.; Polani, P.E.;Brit. Heart_J; Factors in the aetiology of present series, in which a mother and five of her children have septal defects, and the families deatrial defect,1961
2. Carleton, R. A., Abelmann, W. H., and Hancock, E. W. (1958).
3. Familial occurrence of congenital heart disease. Report of three scribed by Nora;New Engi. J7. Med.,;et al; and by Campbell and families and review of the literature,1967
4. Congenital abnormalities;Carter, C. 0;ClinicalAspects of Genetics; Brit. med. Bull; Genetics of common disorders,1961
5. A family study of major central nervous system malformations in South Wales;J. med. Genet,1968