For citations:

Shpilyukova YA, Smetanina OV, Kolpina AA, Illarioshkin SN. A case of chorea with cognitive impairment associated with polycythemia vera. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2023;15(6):101-108. (In Russ.) https://doi.org/10.14412/20742711-2023-6-101-108