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List of works by Alexander M Walker

Computer-assisted expert case definition in electronic health records.

scientific article published on 31 October 2015

Conditional power as an aid in making interim decisions in observational studies

scientific article published on 28 May 2018

For drug-induced carcinogenesis, the observations are the hypothesis: Invited editorial for the Mini-Symposium on Cancer Pharmacoepidemiology

scientific article published on 31 August 2016

Information on doctor and pharmacy shopping for opioids adds little to the identification of presumptive opioid abuse disorders in health insurance claims data

scientific article published on 01 August 2019

Removal of ineligible outcome cases reduces confounding.

scientific article published on 21 May 2018

Reuse of data sources to evaluate drug safety signals: When is it appropriate?

scientific article published on 27 April 2018

Sequential surveillance for drug safety in a regulatory environment

scientific article published on 05 March 2018

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