RT Journal Article SR Electronic T1 Orthopedic Surgery Among Patients with Rheumatoid Arthritis 1980–2007: A Population-based Study Focused on Surgery Rates, Sex, and Mortality JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1496 OP 1496 DO 10.3899/jrheum.111056.C1 VO 39 IS 7 YR 2012 UL http://www.jrheum.org/content/39/7/1496.2.abstract AB