Open Access Highly Accessed Research article

Combining directed acyclic graphs and the change-in-estimate procedure as a novel approach to adjustment-variable selection in epidemiology

David Evans*, Basile Chaix, Thierry Lobbedez, Christian Verger and Antoine Flahault

BMC Medical Research Methodology 2012, 12:156  doi:10.1186/1471-2288-12-156

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