共 104 条
- [21] Chua S, 1999, HIGH RISK PREGNANCY, P1103
- [22] CHANGES IN CESAREAN DELIVERY IN THE UNITED-STATES, 1988 AND 1993 [J]. BIRTH-ISSUES IN PERINATAL CARE, 1995, 22 (02): : 63 - 67
- [25] Crowther C. A., 1999, HIGH RISK PREGNANCY, P129
- [26] CROWTHER CA, 1998, ACTA GENETICAE MED G, V38, P1
- [27] DIANI F, 1997, CLIN EXPT OBSTET GYN, V24, P21
- [28] Dickinson JE, 1999, HIGH RISK PREGNANCY, P1205
- [30] DUBECQ F, 1991, EUROPEAN J OBSTET GY, V66, P183