RT Journal Article SR Electronic T1 OMERACT 5 Economics Working Group: summary, recommendations, and research agenda. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 670 OP 673 VO 28 IS 3 A1 S Gabriel A1 M Drummond A1 M E Suarez-Almazor A1 B Ruff A1 F Guillemin A1 C Bombardier A1 M Boers A1 A Maetzel A1 J Ruof A1 A Cranney A1 M Marentette A1 P Tugwell YR 2001 UL http://www.jrheum.org/content/28/3/670.abstract AB