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30年剖宫产率及剖宫产适应证变化回顾性分析
熊敏辉;杨秀峰;王琼
Retrospective Analysis of Change in Cesarean Section Rate and Indications over 30 Years
XiongMinghui;YangXiufeng;WangQiong
. 2002, (7): 417 .