1. Mongolism;Øster,1963
2. The child with mongolism;Benda,1960
3. Growth in mentally deficient children;Van Gelderen;Acta paediat.,1962
4. Mental retardation and growth;Kugel;Am. J. Ment. Deficiency,1963
5. Heights and weights of mentally retarded children;Culley;Am. J. Ment. Deficiency,1963