共 9 条
- [1] BROCK DJH, 1979, LANCET, V1, P1281
- [2] BROCK DJH, 1977, LANCET, V2, P267
- [3] SCREENING FOR FETAL NEURAL TUBE DEFECTS BY MATERNAL PLASMA ALPHA-FETOPROTEIN DETERMINATION [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1977, 84 (08): : 568 - 573
- [4] FERGUSONSMITH MA, 1978, LANCET, V1, P1330
- [5] MACRI JN, 1978, LANCET, V1, P660
- [6] WALD N, 1977, LANCET, V2, P268
- [8] MATERNAL SERUM ALPHA-FETOPROTEIN AND BIRTH-WEIGHT IN TWIN PREGNANCIES [J]. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1978, 85 (08): : 582 - 584
- [9] 1977, LANCET, V1, P1323