Why do covariates defined by International Classification of Diseases codes fail to remove confounding in pharmacoepidemiologic studies among seniors?
- 13 June 2011
- journal article
- research article
- Published by Wiley in Pharmacoepidemiology and Drug Safety
- Vol. 20 (8), 858-865
- https://doi.org/10.1002/pds.2160
Abstract
No abstract availableKeywords
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