For citations:
Dibrov D.A., Avdeeva A.S., Rybakova V.V., Demidova N.V., Nasonov E.L. Clinical features of ACPA-negative and ACPA-positive variants of rheumatoid arthritis. Rheumatology Science and Practice. 2023;61(2):207-213. (In Russ.) https://doi.org/10.47360/1995-4484-2023-207-213