1. Genes for superior intelligence;Anonymous;Br Med J,1976
2. Superior intelligence in recessively inherited torsion dystonia;Eldridge, R.; Harlan, A.; Cooper, I.S.; Rikian, M.;Lancet,1970
3. Retinoblastoma and intelligence;Thurrell, R.J.; Josephson, T.S.;Psychosomatics,1966
4. Superior intelligence of children blinded from retinoblastoma;Williams, M.;Arch Dis Child,1968
5. Phenylketonuria: data on forty-seven British families;Munro, T.A.,1947