共 50 条
- [8] Maternal mortality in twin gestations [J]. JOURNAL OF REPRODUCTIVE MEDICINE, 1997, 42 (11) : 680 - 684
- [9] Elevated maternal serum relaxin concentrations throughout pregnancy in singleton gestations after superovulation [J]. OBSTETRICS AND GYNECOLOGY, 1998, 92 (01): : 17 - 20
- [10] COMPARISON OF GENETIC AMNIOCENTESIS IN TWIN VERSUS SINGLETON GESTATIONS [J]. CLINICAL RESEARCH, 1993, 41 (04): : A790 - A790