For citations:
Godzenko A.A., Bochkova A.G., Rumyantseva O.A., Korsakova Yu.O., Razumova I.Yu., Badokin V.V., Erdes Sh.F. THE FREQUENCY AND SEVERITY OF EXTRASKELETAL MANIFESTATIONS OF ANKYLOSING SPONDYLITIS. Rheumatology Science and Practice. 2017;55(2):169-176. (In Russ.) https://doi.org/10.14412/1995-4484-2017-169-176