For citations:

Serdyuk OV, Ovchinnikov AA, Kutuzova NA, Drobizhev MY, Retyunsky KY. ICD-10 and the clinical features of depressions: data of the CIRCADIAN-I program. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2011;3(3):52-56. (In Russ.) https://doi.org/10.14412/2074-2711-2011-167