Validation study in four health-care databases: upper gastrointestinal bleeding misclassification affects precision but not magnitude of drug-related upper gastrointestinal bleeding risk

Title
Validation study in four health-care databases: upper gastrointestinal bleeding misclassification affects precision but not magnitude of drug-related upper gastrointestinal bleeding risk
Authors
Keywords
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Journal
JOURNAL OF CLINICAL EPIDEMIOLOGY
Volume 67, Issue 8, Pages 921-931
Publisher
Elsevier BV
Online
2014-05-01
DOI
10.1016/j.jclinepi.2014.02.020

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