1. Scott, D. L., Wolfe, F. & Huizinga, T. W. Rheumatoid arthritis. Lancet 376, 1094–1108 (2010).
2. Landewé, R. & van der Heijde, D. Presentation and analysis of radiographic data in clinical trials and observational studies. Ann. Rheum. Dis. 64 (Suppl. 4), iv48–iv51 (2005).
3. US FDA. Guidance for Industry: Clinical Development Programs for Drugs, Devices, and Biological Products for the Treatment of Rheumatoid Arthritis (RA)
[online]
, (1999).
4. Østergaard, M., Pedersen, S. J. & Døhn, U. M. Imaging in rheumatoid arthritis—status and recent advances for magnetic resonance imaging, ultrasonography, computed tomography and conventional radiography. Best Pract. Res. Clin. Rheumatol. 22, 1019–1044 (2008).
5. Østergaard, M. et al. OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Core set of MRI acquisitions, joint pathology definitions, and the OMERACT RA-MRI scoring system. J. Rheumatol. 30, 1385–1386 (2003).