RT Journal Article SR Electronic T1 The Enigma of Fatigue JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2630 OP 2632 DO 10.3899/jrheum.091036 VO 36 IS 12 A1 JOHANNES J. RASKER YR 2009 UL http://www.jrheum.org/content/36/12/2630.abstract AB