For citations:

Ivanova M., Stoilov R., Radenska-Lopovok S.G., Manolova I. CHANGE OF ACTIVITY, FUNCTIONAL CLASS, AND SPINAL MOBILITY IN ANKYLOSING SPONDYLOSIS DURING THERAPY WITH DIFFERENT PHARMACOLOGICAL AGENTS. Rheumatology Science and Practice. 2014;52(3):290-294. (In Russ.) https://doi.org/10.14412/1995-4484-2014-290-294