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A definition of causal effect for epidemiological research
- Correspondence to: Dr M Hernán Department of Epidemiology, Harvard School of Public Health, 677 Huntington Avenue, Boston, MA 02115, USA; miguel_hernanpost.harvard.edu
Citation
A definition of causal effect for epidemiological research
Publication history
- Accepted August 29, 2003
- First published March 16, 2004.
Online issue publication
April 27, 2016
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Copyright 2004 Journal of Epidemiology and Community Health