Elsevier, Journal of Clinical Epidemiology, (75), p. 66-69, 2016
DOI: 10.1016/j.jclinepi.2016.01.005
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Electronic health records are widely used for public health research, and linked data sources are increasingly available. The added value of using linked records over stand-alone data has not been quantified for common conditions such as community-acquired pneumonia (CAP).