For citations:
Kovalenko PS, Dydykina IS, Smirnov AV, Glukhova SI, Nasonov EL. Changes in bone tissue parameters and pain index in the lumbar spine in patients with rheumatoid arthritis. Meditsinskiy sovet = Medical Council. 2025;(12):192-198. (In Russ.) https://doi.org/10.21518/ms2025-307