Reducing bias through directed acyclic graphs

<p>Abstract</p> <p>Background</p> <p>The objective of most biomedical research is to determine an unbiased estimate of effect for an exposure on an outcome, i.e. to make causal inferences about the exposure. Recent developments in epidemiology have shown that traditiona...

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Bibliographic Details
Main Authors: Platt Robert W, Shrier Ian
Format: Article
Language:English
Published: BMC 2008-10-01
Series:BMC Medical Research Methodology
Online Access:http://www.biomedcentral.com/1471-2288/8/70