RT Journal Article SR Electronic T1 Minimal clinically important difference module: summary, recommendations, and research agenda. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 452 OP 454 VO 28 IS 2 A1 G Wells A1 J Anderson A1 D Beaton A1 N Bellamy A1 M Boers A1 C Bombardier A1 F Breedveld A1 A Carr A1 A Cranney A1 M Dougados A1 D Felson A1 J Kirwan A1 M Schiff A1 B Shea A1 L Simon A1 J Smolen A1 V Strand A1 P Tugwell A1 P van Riel A1 V A Welch YR 2001 UL http://www.jrheum.org/content/28/2/452.abstract AB