For citations:
Godzenko AA, Rumyantseva OA, Bochkova AG, Korsakova YO, Erdes S, Badokin VV. Extraskeletal manifestations and the indicators of inflammatory activity and severity in ankylosing spondylitis. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2018;12(1):13-19. (In Russ.) https://doi.org/10.14412/1996-7012-2018-1-13-19