RT Journal Article SR Electronic T1 Oxford Textbook of Musculoskeletal Medicine (2nd Edition) JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1262 OP 1262 DO 10.3899/jrheum.160251 VO 43 IS 6 A1 PHILIP A. BAER YR 2016 UL http://www.jrheum.org/content/43/6/1262.abstract AB