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HARVARD Citation
Widdifield, J. et al. (n.d.). SAT0347 Comparisons of Reporting and Level of Agreement of Co-Morbidities Ascertained from Rheumatologists, Patients and Health Administrative Data: A Data Linkage Study Among Patients with Rheumatoid Arthritis. Annals of the rheumatic diseases. pp. 784-785. [Online].