Neznanov, N. G., L. S. Kruglov, V. Y. Serpov, I. H. Atayev, I. V. Kiseleva, and A. A. Chesnokov. “Mental Disorders in Patients at Geriatrician Attendance: Basic Variants and Influence on Social Functioning (The Experience in Russia)”. European Journal of Mental Health, vol. 16, no. 1, June 2021, pp. 53-63, doi:10.5708/EJMH.16.2021.1.4.