For citations:
Tappakhov A.A., Popova T.E., Nikolaeva T.Y., Schnaider N.A., Petrova M.M. Screening for non-motor symptoms in Parkinson's disease using the NMSQuest scale. Neurology, Neuropsychiatry, Psychosomatics. 2017;9(3):42-47. (In Russ.) https://doi.org/10.14412/2074-2711-2017-3-42-47