For citations:
Katunina EA, Zalyalova ZA, Pokhabov DV, Ivanova MZ, Semenova AM. Parkinson’s disease. Focus on early stages. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2023;15(3):95-103. (In Russ.) https://doi.org/10.14412/2074-2711-2023-3-95-103