RT Journal Article SR Electronic T1 Idiopathic Arthritis Mutilans JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1921 OP 1922 DO 10.3899/jrheum.130236 VO 40 IS 11 A1 RONALD R. BUTENDIECK, JR A1 ANDY ABRIL YR 2013 UL http://www.jrheum.org/content/40/11/1921.abstract AB