For citations:
Rebrova N.V., Krapivina A.S., Sviazova N.N., Shcherban N.V., Stepanov I.V., Likhomanov K.S. Clinical case of severe aortic valve insufficiency due to ankylosing spondyloarthritis. Siberian Journal of Clinical and Experimental Medicine. 2025;40(1):166-176. (In Russ.) https://doi.org/10.29001/2073-8552-2025-40-1-166-176