2. O’Dwyer DN, Armstrong ME, Cooke G, Dodd JD, Veale DJ, Donnelly SC. Rheumatoid arthritis (RA) associated interstitial lung disease (ILD). Eur J Intern Med 2013;24:597–603.
3. Mori S, Koga Y, Sugimoto M. Different risk factors between interstitial lung disease and airway disease in rheumatoid arthritis. Respir Med 2012;106:1591–1599.
4. Park JH, Kim DS, Park IN, et al. Prognosis of fibrotic interstitial pneumonia: idiopathic versus collagen vascular disease-related subtypes. Am J Respir Crit Care Med 2007;175:705–711.
5. Kim EJ, Elicker BM, Maldonado F, et al. Usual interstitial pneumonia in rheumatoid arthritis-associated interstitial lung disease. Eur Respir J 2010;35:1322–1328.
6. Fischer A, du Bois R. Interstitial lung disease in connective tissue disorders. Lancet 2012;380:689–698.
7. Schoe A, van der Laan-Baalbergen NE, Huizinga TW, Breedveld FC, van Laar JM. Pulmonary fibrosis in a patient with rheumatoid arthritis treated with adalimumab. Arthritis Rheum 2006;55:157–159.
8. Perez-Alvarez R, Perez-de-Lis M, Diaz-Lagares C, et al. Interstitial lung disease induced or exacerbated by TNF-targeted therapies: analysis of 122 cases. Semin Arthritis Rheum 2011;41:256–264.
9. Arnett FC, Edworthy SM, Bloch DA, et al. The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 1988;31:315–324.
12. Zhu J, Zhou Y, Chen X, Li J. A metaanalysis of the increased risk of rheumatoid arthritis-related pulmonary disease as a result of serum anticitrullinated protein antibody positivity. J Rheumatol 2014;41:1282–1289.
14. Silva I, Mateus M, Branco JC. Assessment of erythrocyte sedimentation rate (ESR) and C- reactive protein (CRP) on rheumatoid arthritis activity prediction. Acta Reumatol Port 2010;35:456–462.
17. Mortensen RF. C-reactive protein, inflammation, and innate immunity. Immunol Res 2001;24:163–176.
18. Ohtsuka T. Serum interleukin-6 level is reflected in elevated high-sensitivity C-reactive protein level in patients with systemic sclerosis. J Dermatol 2010;37:801–806.
19. Chan E, Chapman K, Kelly C. Interstitial lung disease in rheumatoid arthritis: a review. Arthritis Res UK 2013;3:1–9.
20. Assayag D, Lubin M, Lee JS, King TE, Collard HR, Ryerson CJ. Predictors of mortality in rheumatoid arthritis-related interstitial lung disease. Respirology 2014;19:493–500.
23. Saag KG, Kolluri S, Koehnke RK, et al. Rheumatoid arthritis lung disease: determinants of radiographic and physiologic abnormalities. Arthritis Rheum 1996;39:1711–1719.