For citations:
Belov SE, Boyko AN. The central vein sign in the differential diagnosis of multiple sclerosis. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2020;12(1S):29-32. (In Russ.) https://doi.org/10.14412/2074-2711-2020-1S-29-32