共 21 条
[11]
Jenkins RL, 1933, AM J DIS CHILD, V45, P506
[13]
LAMSON SH, AM J HUM GENET
[14]
Lilienfeld A. M., 1969, EPIDEMIOLOGY MONGOLI
[15]
MANTEL N, 1966, AM J MENT DEFIC, V71, P1025
[16]
RE-EXAMINATION OF PATERNAL AGE EFFECT IN DOWNS-SYNDROME
[J].
HUMAN GENETICS,
1978, 40 (03)
:259-268
[18]
POLLARD JH, 1977, NUMERICAL STATISTICA, P210