title: Instruments to measure disease activity in systemic lupus erythematosus -- is our net tight enough to catch the hydra?
authors.forename: Gunnar
authors.initials: G
authors.lastname: Sturfelt
authors.forename: Ola
authors.initials: O
authors.lastname: Nived
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000188:drug therapy / Q000473:pathology* / Q000503:physiopathology*; D012720:Severity of Illness Index