共 16 条
[1]
BAIRD PA, 1987, CAN MED ASSOC J, V136, P109
[2]
MATERNAL AGE-SPECIFIC RATES FOR DOWN SYNDROME - CHANGES OVER TIME
[J].
AMERICAN JOURNAL OF MEDICAL GENETICS,
1988, 29 (04)
:917-927
[4]
BAIRD PA, 1984, J MED GENET, V31, P72
[6]
DUPONT A, 1986, J MENT DEFIC RES, V30, P111
[7]
ELANDTJOHNSON RC, 1980, SURVIVAL MODELS DATA, P247
[8]
FORSSMAN H, 1965, J MENT DEFIC RES, V9, P146
[9]
FORSSMAN H, 1967, J MENT DEFIC RES, V11, P106
[10]
LARSSON T, 1954, ACTA PSYCHIATR NEU S, V89, P54