For citations:

Gubanova EN, Fedorova NV. The clinical picture of early-stage Parkinson’s disease. errors in the diagnosis of different forms. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2013;5(2):58-63. (In Russ.) https://doi.org/10.14412/2074-2711-2013-2415