For citations:
Zhilyaev E.V., Lukina G.V., Koltsova E.N., Schmidt E.I., Lytkina K.A., Pozharov I.V. Difficult-to-treat rheumatoid arthritis: predictors and prevention possibilities (analysis of the Moscow unified register of arthritis data). The Clinician. 2024;18(4):27-36. (In Russ.) https://doi.org/10.17650/1818-8338-2024-18-4-K726