STATISTICAL COMPARISON OF PEARL RATES

被引:9
作者
HIGGINS, JE
WILKENS, LR
机构
关键词
D O I
10.1016/0002-9378(85)90158-9
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
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页码:656 / 659
页数:4
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