title: Data on flares among SLE patients.
authors.forename: E W
authors.initials: EW
authors.lastname: Karlson
authors.forename: R A
authors.initials: RA
authors.lastname: Lew
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D015994:Incidence; D008180:Lupus Erythematosus, Systemic / Q000453:epidemiology* / Q000503:physiopathology; D012720:Severity of Illness Index