共 5 条
[1]
BROCK DJH, 1977, LANCET, V2, P267
[2]
RAISED MATERNAL SERUM ALPHA-FETOPROTEIN LEVELS AND LOW-BIRTH-WEIGHT BABIES
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1980, 87 (12)
:1099-1102
[3]
MATERNAL SERUM ALPHA-FETOPROTEIN AND BIRTH-WEIGHT IN TWIN PREGNANCIES
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1978, 85 (08)
:582-584
[4]
1978, BR MED J, V2, P1661
[5]
1978, BR J OBSTET GYNAE S2, V85