HORMONAL PREGNANCY TESTS AND SPINA-BIFIDA

被引:15
作者
SEVER, LE [1 ]
机构
[1] UNIV WASHINGTON,DEPT EPIDEMIOL,SEATTLE,WA 98195
关键词
D O I
10.1038/242410a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
引用
收藏
页码:410 / 411
页数:2
相关论文
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