References
- Turesson C, Jacobsson LTH. Epidemiology of extra-articular manifestations in rheumatoid arthritis. Scand J Rheumatol 2004;33:65–72.
- Ascherman DP. Interstitial lung disease in rheumatoid arthritis. Curr Rheumatol Rep 2010;12:363–9.
- Hillarby MC, McMahon MJ, Grennan DM, Cooper RG, Clarkson RW, Davies EJ, et al. HLA associations in subjects with rheumatoid arthritis and bronchiectasis but not with other pulmonary complications of rheumatoid disease. Br J Rheumatol 1993;32:794–7.
- Thomson W, Barton A, Ke X, Eyre S, Hinks A, Bowes J, et al. Rheumatoid arthritis association at 6q23. Nat Genet 2007;39:1431–3.