1. [1] D. Aletaha, T. Neogi, A. J. Silman et al., "Rheumatoid arthritis classification criteria: An American college of rheumatology/European league against rheumatism collaborative initiative," Arthritis Rheum, vol. 62, no. 9, pp. 2569-2581, 2010.
2. [2] G. R. Burmester and J. E. Pope, "Novel treatment strategies in rheumatoid arthritis," The Lancet, vol. 389, 10086, pp. 2338-2348, 2017.
3. [3] A. Kano, K. Doi, H. MacMahon et al., "Digital image subtraction of temporally sequential chest images for detection of interval change," Medical Physics, vol. 21, no. 3, pp. 453-461, 1994.
4. [4] S. Ichikawa, T. Kamishima, K. Sutherland et al., "Radiographic quantifications of joint space narrowing progression by computer-based approach using temporal subtraction in rheumatoid wrist," The British Journal of Radiology, vol. 89, no. 1057, 2016.
5. [5] S. Kajihara, S. Murakami, J. K. Tan et al., "Identify rheumatoid arthritis and osteoporosis from phalange CR images based on image registration and ANN," ICIC Express Letters, vol. 10, no. 10, pp. 2435-2440, 2016.