共 4 条
[1]
Beidleman B, 1945, AM J MENT DEF, V50, P35
[2]
The frequency of mongoloid imbecility - The question of race and the apparent influence of sex
[J].
AMERICAN JOURNAL OF DISEASES OF CHILDREN,
1932, 44 (03)
:503-508
[3]
Down J. L. H., 1866, LONDON HOSP CLIN REP, V3, P259
[4]
RAINSFORD, 1918, J MENT SC LOND, V64, P239