For citations:

Yehudina YD, Trypolka SA. Enthesitis is a clue to the diagnosis of spondyloarthritis, focus on psoriatic arthritis. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2021;15(1):79-86. (In Russ.) https://doi.org/10.14412/1996-7012-2020-3-79-86