For citations:
Raskina TA, Malyshenko OS, Pankratova SY, Fanaskov VB, Letaeva MV. Rheumatoid arthritis in elderly patients. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2017;11(1):33-37. (In Russ.) https://doi.org/10.14412/1996-7012-2017-1-33-37