共 3 条
[1]
How dose multiple pregnancy affect maternal mortality and morbidity. Marie-victoire S,Ancel PY,Bouvier Colle. Clinical Obstetrics and Gynecology . 1998
[2]
Prolonged third stage of labor: Morbidity and risk factors. Combs CA,Laros RK. Obstetrics and Gynecology . 1991
[3]
The association of placenta previa with history of cesarean delivery and abortion: A metaanalysis. Cande V Ananth,Smulian JC,Vintzileos AM,et al. American Journal of Obstetrics and Gynecology . 1997