共 8 条
[1]
GOODMAN N, 1957, Br J Prev Soc Med, V11, P203
[3]
Norton A, 1952, BR J SOC MED, V6, P253
[4]
A method of separating the relative aetiological effects of birth order and maternal age, with special reference to Mongolian imbecility
[J].
ANNALS OF EUGENICS,
1934, 6
:108-127
[6]
*REG GEN, 1953, DEC SUPPL ENGL WAL
[7]
*REG GEN, 1954, 1946 1950 STAT REV E
[8]
Smith A, 1955, BRIT J PREV SOC MED, V9, P51