Neznanov, N.G., Kruglov, L.S., Serpov, V.Y., Atayev, I.H., Kiseleva, I.V. and Chesnokov, A.A. 2021. Mental Disorders in Patients at Geriatrician Attendance: Basic Variants and Influence on Social Functioning (The Experience in Russia). European Journal of Mental Health. (Jun. 2021), 53–63.