Performance of the Expanded Cardiovascular Risk Prediction Score for Rheumatoid Arthritis in a geographically distant National Register-based cohort: an external validation
Lotta Ljung, Peter Ueda, Katherine P Liao, Jeffrey D Greenberg, Carol J Etzel, Daniel H Solomon, Johan Askling
RMD Open Dec 2018, 4 (2) e000771; DOI: 10.1136/rmdopen-2018-000771