For citations:
Golovacheva V.A., Parfenov V.A., Golovacheva A.A. Cognitive complaints and cognitive impairment in patients with chronic daily headache. Neurology, Neuropsychiatry, Psychosomatics. 2017;9(4):55-59. https://doi.org/10.14412/2074-2711-2017-4-55-59