For citations:
Yakubova UA, Bugrova OV, Krasikov SI, Setko NP, Saifutdirov RI. Impact of the trace element status on the course of ankylosing spondylitis in the Orenburg Region patients. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2019;13(4):66-74. (In Russ.) https://doi.org/10.14412/1996-7012-2019-4-66-74