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Comment
. 2005 Oct 1;162(7):618-20; discussion 621-2.
doi: 10.1093/aje/kwi255. Epub 2005 Aug 24.

Invited commentary: hypothetical interventions to define causal effects--afterthought or prerequisite?

Miguel A Hernán  1
Affiliations
Comment

Invited commentary: hypothetical interventions to define causal effects--afterthought or prerequisite?

Miguel A Hernán. Am J Epidemiol. .
No abstract available

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