PT - JOURNAL ARTICLE AU - GUNNAR STURFELT AU - OLA NIVED TI - Instruments to Measure Disease Activity in Systemic Lupus Erythematosus — Is Our Net Tight Enough to Catch the Hydra? AID - 10.3899/jrheum.101024 DP - 2011 Jan 01 TA - The Journal of Rheumatology PG - 3--4 VI - 38 IP - 1 4099 - http://www.jrheum.org/content/38/1/3.short 4100 - http://www.jrheum.org/content/38/1/3.full SO - J Rheumatol2011 Jan 01; 38