For citations:

Kurman T.A., Malaeva E.G., Tsitko E.V., Liakhno I.V., Feshchanka M.A., Karpenko E.E. Psoriatic arthritis. Health and Ecology Issues. 2023;20(3):123-128. (In Russ.) https://doi.org/10.51523/2708-6011.2023-20-3-16