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doi.org/10.1016/j.jclinepi.2014.02.020, hdl.handle.net/1765/72800
Journal of Clinical Epidemiology
Department of Medical Informatics

Valkhoff, V., Coloma, P., Masclee, G., Gini, R., Innocenti, F., Lapi, F., … Trifirò, G. (2014). Validation study in four health-care databases: Upper gastrointestinal bleeding misclassification affects precision but not magnitude of drug-related upper gastrointestinal bleeding risk. Journal of Clinical Epidemiology, 67(8), 921–931. doi:10.1016/j.jclinepi.2014.02.020