RT Journal Article SR Electronic T1 Estimating Disease Prevalence and Incidence Using Administrative Data: Some Assembly Required JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1241 OP 1243 DO 10.3899/jrheum.130675 VO 40 IS 8 A1 MICHAEL M. WARD YR 2013 UL http://www.jrheum.org/content/40/8/1241.abstract AB