RT Journal Article SR Electronic T1 MCID — The Minimal Clinically Important Difference Assigns Significance to Outcome Effects JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 258 OP 259 DO 10.3899/jrheum.151415 VO 43 IS 2 A1 FELIX ANGST YR 2016 UL http://www.jrheum.org/content/43/2/258.abstract AB