For citations:
Popova EV. From pathogenesis and research to the treatment of secondary progressive multiple sclerosis in clinical practice: switching from anti-CD20 monoclonal antibody therapy to siponimod (clinical case). Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2025;17(5):81-86. (In Russ.) https://doi.org/10.14412/2074-2711-2025-5-81-86