共 13 条
[2]
Biochemical screening for Down syndrome
[J].
EUROPEAN JOURNAL OF OBSTETRICS GYNECOLOGY AND REPRODUCTIVE BIOLOGY,
2000, 92 (01)
:97-101
[3]
CUCKLE HS, 1984, LANCET, V1, P926
[4]
ESTIMATING A WOMANS RISK OF HAVING A PREGNANCY ASSOCIATED WITH DOWNS-SYNDROME USING HER AGE AND SERUM ALPHA-FETOPROTEIN LEVEL
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1987, 94 (05)
:387-402
[8]
Nicolaides KH, 1998, PRENATAL DIAG, V18, P519, DOI 10.1002/(SICI)1097-0223(199805)18:5<519::AID-PD398>3.0.CO
[9]
2-U