Social contacts of lonely seniors and seniors living alone as a resource for organization of health and social care
Učënye zapiski Sankt-Peterburgskogo gosudarstvennogo medicinskogo universiteta im. Akad. I.P. Pavlova/Učënye zapiski Sankt-Peterburgskogo gosudarstvennogo medicinskogo universiteta imeni akademika I. P. Pavlova