1. Mongolian idiocy;Bullard;Boston M. & S. J.,1911
2. Roentgenologic study of anomalies of the hands in one hundred cases of mongolism;Hefke;Am. J. Dis. Child.,1940
3. Mongolism;Engler,1949
4. The child with mongolism;Benda,1960
5. Growth and development of children;Watson,1958