For citations:

Nikitina T.P., Frolova E.V., Ovakimyan K.V., Mkhitaryan E.A., Logunov D.L., Oskova A.Yu., Vasileva E.A., Zhitkova Yu.V., Gasparyan A.A., Lunev K.V., Luneva E.A., Lipatova D.A., Porfirieva N.M., Ionova T.I. Validation of the Russian Version of GPCOG and Its Testing for Screening of Significant Cognitive Impairment in Older and Oldest-Old Patients. Russian Journal of Geriatric Medicine. 2024;(2):85-99. (In Russ.) https://doi.org/10.37586/2686-8636-2-2024-85-99