For citations:
Gubar E.E., Loginova E.Yu., Korotaeva T.V., Glukhova S.I., Nasonov E.L. Comparative characteristics of early psoriatic arthritis with and without axial skeleton injury (a subanalysis of the all-Russian registry of patients with psoriatic arthritis). Rheumatology Science and Practice. 2019;57(6):636-641. (In Russ.) https://doi.org/10.14412/1995-4484-2019-636-641