共 35 条
[1]
Ackaouy G, 1971, J Natl Med Assoc, V63, P249
[3]
BALAKRISHNAN TR, 1976, AM J MENT DEF, V80, P650
[6]
CLELAND CC, 1967, MENT RETARD, V5, P2
[7]
COHEN MJ, 1976, MENT RETARD DEV DIS, V8, P1
[8]
CROCKER AC, 1972, PEDIATR CLIN N AM, V19, P413
[9]
FORSSMAN H, 1970, J MENT DEFIC RES, V14, P276