For citations:

Koryakova NV, Polskaya II, Marusenko IM, Kulagina TI. Diabetes mellitus in patients with rheumatoid arthritis in the Republic of Karelia. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2020;14(2):57-61. (In Russ.) https://doi.org/10.14412/1996-7012-2020-2-57-61