共 50 条
- [35] The effect of maternal polycystic ovary morphology on first-trimester maternal serum biochemical markers of aneuploidy and fetal nuchal translucency thickness CLINICAL AND EXPERIMENTAL OBSTETRICS & GYNECOLOGY, 2015, 42 (01): : 32 - 35
- [36] First trimester screening for Down's syndrome using maternal serum PAPP-A and free β-hCG in combination with fetal nuchal translucency thickness BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1998, 105 (08): : 917 - 920
- [40] First-trimester screening for Down's syndrome NEW ENGLAND JOURNAL OF MEDICINE, 2004, 350 (06): : 620 - 620