For citations:

Parfenova EV. Insomnia and cognitive behavioral therapy for chronic back pain. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2020;12(4):119-124. (In Russ.) https://doi.org/10.14412/2074-2711-2020-4-119-124