For citations:

Simaniv TO, Zakharova MN. The challenges of diagnosing neuromyelitis optica spectrum disorders without antibodies to aquaporin-4. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2025;17(4):11-15. (In Russ.) https://doi.org/10.14412/2074-2711-2025-4-11-15