共 9 条
[1]
FERGUSON T, 1955, Glasgow Med J, V36, P50
[2]
PREVALENCE OF IMBECILITY AND IDIOCY AMONG CHILDREN
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1962, (5273)
:216-+
[3]
GRAD J, 1963, LANCET, V1, P544
[4]
KIRK SA, 1958, EARLY EDUCATION MENT
[5]
KUSHLICK A, 1964, AUG INT COP C SCIENT
[6]
KUSHLICK A, 1961, REPORT MENTAL HEALTH, P18
[7]
Tizard J., 1961, MENTALLY HANDICAPPED
[8]
1963, HEALTH WELFARE DEVEL
[9]
1964, HEALTH WELFARE DEVEL