RT Journal Article SR Electronic T1 Jeopardizing Validity by Mismeasurement of Quality of Life JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 758 OP 760 DO 10.3899/jrheum.130226 VO 40 IS 6 A1 JEFF RICHARDSON A1 NEIL A. DAY YR 2013 UL http://www.jrheum.org/content/40/6/758.abstract AB