共 26 条
[1]
AKESSON HO, 1962, ACTA GENET STAT MED, V12, P28
[2]
[Anonymous], 1974, REGISTRAR GENERALS S
[3]
Birch HG, 1970, MENTAL SUBNORMALITY
[5]
BROOKE OG, 1981, J HUM NUTR, V35, P415
[7]
BUNDEY S, 1974, J MENT DEFIC RES, V18, P115
[9]
CLARKE AM, 1973, HDB ABNORMAL PSYCHOL, P212