For citations:

Alekseeva LI, Taskina EA, Kashevarova NG. Osteoarthritis: epidemiology, classification, risk factors, and progression, clinical presentation, diagnosis, and treatment. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2019;13(2):9-21. (In Russ.) https://doi.org/10.14412/1996-7012-2019-2-9-21