Akter, R., W. P. Maksymowych, M. L. Martin, and D. B. Hogan. “Outcomes With Biological Disease-Modifying Anti-Rheumatic Drugs (bDMARDs) in Older Patients Treated for Rheumatoid Arthritis”. Canadian Geriatrics Journal, Vol. 23, no. 2, Mar. 2020, pp. 184-9, doi:10.5770/cgj.23.393.