Hrynzovskyi A. DEVELOPMENT OF THE CONTROL SYSTEM REGARDING THE SPREAD OF INFECTIOUS DISEASES IN THE RUSSIAN EMPIRE BE-FORE THE TWENTIETH CENTURY. USMYJ [Internet]. 2020Jul.3 [cited 2026Mar.21];116(2):4-14. Available from: https://mmj.nmuofficial.com/index.php/journal/article/view/170