共 5 条
[1]
BEWLEY S, 1995, BRIT J OBSTET GYNAEC, V102, P386, DOI 10.1111/j.1471-0528.1995.tb11290.x
[2]
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
[4]
FETAL NUCHAL TRANSLUCENCY - ULTRASOUND SCREENING FOR FETAL TRISOMY IN THE FIRST TRIMESTER OF PREGNANCY
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1994, 101 (09)
:782-786
[5]
PANDYA PP, 1994, OBSTET GYNECOL, V84, P420