RT Journal Article SR Electronic T1 How Should We Measure Peripheral Spondyloarthritis? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 239 OP 241 DO 10.3899/jrheum.211043 VO 49 IS 3 A1 Laura C. Coates A1 William Tillett YR 2022 UL http://www.jrheum.org/content/49/3/239.abstract AB