For citations:
Babaeva A.R., Kalinina E.V., Zvonorenko D.S., Emelianova A.L. Overlap syndrome variant: transformation of adults' Still's disease into rheumatoid arthritis (clinical case). Medical alphabet. 2022;(15):7-13. (In Russ.) https://doi.org/10.33667/2078-5631-2022-15-7-13