共 10 条
[1]
Bulmer M. G., 1970, BIOL TWINNING MAN
[3]
JAMES WH, 1980, LANCET, V1, P1124
[4]
THE SEX-RATIO OF INFANTS BORN AFTER HORMONAL INDUCTION OF OVULATION
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1985, 92 (03)
:299-301
[6]
JAMES WH, 1985, J THEORETICAL BIOL
[7]
MILHAM S, 1964, LANCET, V2, P566
[8]
Morton N., 1967, MONOGRAPHS HUMAN GEN, V3
[10]
SEX RATIO AT BIRTH IN TERRITORIES WITH A RELATIVELY COMPLETE REGISTRATION
[J].
EUGENICS QUARTERLY,
1967, 14 (02)
:132-&