RT Journal Article SR Electronic T1 OMERACT 9 ‒ 9th International Consensus Conference on Outcome Measures in Rheumatology Clinical Trials JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1765 OP 1768 DO 10.3899/jrheum.090261 VO 36 IS 8 A1 PETER TUGWELL A1 MAARTEN BOERS A1 VIBEKE STRAND A1 LEE S. SIMON A1 PETER BROOKS A1 Peter Tugwell A1 Maarten Boers A1 Peter Brooks A1 Lee Simon A1 Vibeke Strand YR 2009 UL http://www.jrheum.org/content/36/8/1765.abstract AB