For citations:

Nodel MR. HYPERSOMNIA AND CIRCADIAN DISTURBANCES IN PARKINSON’S DISEASE. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2016;8(4):45-50. (In Russ.) https://doi.org/10.14412/2074-2711-2016-4-45-50