1. Development of intelligence of infants with mongolism;Dameron;Child Devel.,1963
2. Mental development of infants with Down's Syndrome;Dicks-Mireaux;Amer. J. Ment. Defic.,1972
3. Aetiology and outcome in low birthweight infants;Drillien;Devel. Med. Child Neural.,1972
4. The predictive validity of the Cattell infant intelligence scale for young mentally retarded children;Erickson;Amer. J. Ment. Defic,1968