TY - JOUR T1 - Measuring disease activity in systemic lupus: progress and problems. JF - The Journal of Rheumatology JO - J Rheumatol SP - 2256 LP - 2257 VL - 29 IS - 11 AU - Joan T Merrill Y1 - 2002/11/01 UR - http://www.jrheum.org/content/29/11/2256.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -