PROBLEMS WITH USING OBSERVATIONAL DATABASES TO COMPARE TREATMENTS

被引:83
作者
BYAR, DP
机构
[1] National Institutes of Health, Bethesda, Maryland
关键词
D O I
10.1002/sim.4780100417
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
[No abstract available]
引用
收藏
页码:663 / 666
页数:4
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