 Analytic PerspectiveIdentifiability, exchangeability and confounding revisitedSander Greenland1  and James M Robins2  1
Department of Epidemiology and Department of Statistics, University of California, Los Angeles, CA 90095-1772, USA 2
Departments of Epidemiology and Biostatistics, Harvard School of Public Health, Boston, MA 02115, USA  author email corresponding author email
Epidemiologic Perspectives & Innovations 2009,
6:4doi:10.1186/1742-5573-6-4
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| Published: |
4 September 2009 |
Abstract
In 1986 the International Journal of Epidemiology published "Identifiability, Exchangeability and Epidemiological Confounding". We review the article from the perspective of a quarter century after it was first drafted and relate it to subsequent developments on confounding, ignorability, and collapsibility. | 
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