Perceived and Objective Physical Function in Two U.S., Population-Based Cohorts of Adults with Systemic Lupus Erythematosus Laura C. Plantinga, Jessica Fitzpatrick, Mrinalini Dey, Maria Dall'Era, Charmayne Dunlop-Thomas, Courtney Hoge, S. Sam Lim, Patricia P. Katz, Jinoos Yazdany The Journal of Rheumatology Jan 2026, jrheum.2025-0857; DOI: 10.3899/jrheum.2025-0857