Should observational studies be designed to allow lack of balance in covariate distributions across treatment groups?

标题
Should observational studies be designed to allow lack of balance in covariate distributions across treatment groups?
作者
关键词
-
出版物
STATISTICS IN MEDICINE
Volume 28, Issue 9, Pages 1420-1423
出版商
Wiley
发表日期
2009-04-01
DOI
10.1002/sim.3565

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