For citations:
Korsakova YL, Loginova EY, Gubar EE, Korotaeva TV. Characteristics of patients with psoriatic arthritis treated with ustekinumab. Evidence from real-life clinical practice. Meditsinskiy sovet = Medical Council. 2020;(21):274-283. (In Russ.) https://doi.org/10.21518/2079-701X-2020-21-274-283