Identifying flares in rheumatoid arthritis: reliability and construct validation of the OMERACT RA Flare Core Domain Set
Vivian P Bykerk, Clifton O Bingham, Ernest H Choy, Daming Lin, Rieke Alten, Robin Christensen, Daniel E Furst, Sarah Hewlett, Amye Leong, Lyn March, Thasia Woodworth, Gilles Boire, Boulos Haraoui, Carol Hitchon, Shahin Jamal, Edward C Keystone, Janet Pope, Diane Tin, J Carter Thorne, Susan J Bartlett
RMD Open May 2016, 2 (1) e000225; DOI: 10.1136/rmdopen-2015-000225