KOTSUR, Nadiia, and Svetlana HORDENKO. “FORMATION AND DEVELOPMENT OF HEALTH CARE OF THE URBAN POPULATION OF THE UkSSR DURING THE 20-Ies OF THE XXth CENTURY”. EAST EUROPEAN HISTORICAL BULLETIN, no. 16 (September 17, 2020): 184–194. Accessed November 23, 2024. http://eehb.dspu.edu.ua/article/view/210889.