共 48 条
[1]
Screening for Down's syndrome: Changes in marker levels and detection rates between first and second trimesters
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1997, 104 (07)
:811-817
[2]
BEWLEY S, 1995, BRIT J OBSTET GYNAEC, V102, P386, DOI 10.1111/j.1471-0528.1995.tb11290.x
[3]
First trimester screening for Down's syndrome using maternal serum PAPP-A and free β-hCG in combination with fetal nuchal translucency thickness
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1998, 105 (08)
:917-920
[4]
BRIZOT ML, 1994, OBSTET GYNECOL, V84, P918
[6]
*CAL DEP HLTH SERV, 1997, PREN CAR PROV HDB
[7]
CUCKLE HS, 1984, LANCET, V1, P926
[8]
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
[9]
De Biasio P, 1999, PRENATAL DIAG, V19, P360, DOI 10.1002/(SICI)1097-0223(199904)19:4<360::AID-PD556>3.0.CO
[10]
2-U