RT Journal Article SR Electronic T1 The Mean Overall Index-RA: A New Disease Activity Measure in Rheumatoid Arthritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1480 OP 1481 VO 35 IS 8 A1 JEFFREY SIEGEL YR 2008 UL http://www.jrheum.org/content/35/8/1480.abstract AB