TY - JOUR T1 - Correction JF - The Journal of Rheumatology JO - J Rheumatol SP - 1351 LP - 1351 DO - 10.3899/jrheum.080733C1 VL - 36 IS - 6 A2 - , Y1 - 2009/06/01 UR - http://www.jrheum.org/content/36/6/1351.2.abstract N2 - Chen W-S, Lin K-C, Chen C-H, et al. Autoantibody and biopsy grading … ER -