For citations:
Volel BA, Petelin DS, Rozhkov DO. Chronic back pain and mental disorders. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2019;11(2S):17-24. (In Russ.) https://doi.org/10.14412/2074-2711-2019-2S-17-24