共 30 条
[1]
AKPOM CA, 1973, MED CARE S, V2, P125
[2]
ALMY M, 1955, CHILD DEVELOPMENT, P157
[3]
BRANCH LG, 1975, HLTH CARE NEEDS ELDE, P46
[4]
GESELL A, 1940, 1ST 5 YEARS LIFE, P13
[5]
GESELL A, 1943, INFANT CHILD CULTURE, P98
[6]
GROTZ R T, 1972, American Journal of Mental Deficiency, V76, P710
[8]
JONES EW, 1973, HRA743017 DHEW PUBL
[9]
KARK SL, 1974, EPIDEMIOLOGY COMMUNI, P35