共 8 条
- [3] LOW 2ND TRIMESTER MATERNAL SERUM UNCONJUGATED ESTRIOL IN PREGNANCIES WITH DOWNS-SYNDROME [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1988, 95 (04): : 330 - 333
- [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
- [6] ROYSTON JP, 1983, J R STAT SOC C-APPL, V32, P121
- [7] MATERNAL SERUM UNCONJUGATED ESTRIOL AS AN ANTENATAL SCREENING-TEST FOR DOWNS-SYNDROME [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1988, 95 (04): : 334 - 341
- [8] RECENT ADVANCES IN SCREENING FOR NEURAL-TUBE DEFECTS AND DOWNS-SYNDROME [J]. BAILLIERES CLINICAL OBSTETRICS AND GYNAECOLOGY, 1987, 1 (03): : 649 - 676