共 28 条
[2]
AZIZI F, 1974, JOHNS HOPKINS MED J, V134, P303
[3]
BAXTER RG, 1975, LANCET, V2, P794
[4]
BENDA CE, 1960, CHILD MONGOLISM, P110
[5]
BURGIO GR, 1965, LANCET, V1, P166
[7]
DODGE JA, 1967, LANCET, V1, P78
[9]
FIALKOW PJ, 1965, LANCET, V2, P868