For citations:
Kozlov S.S. On the medical and sanitary condition of the cities of the South of Russia by the example of the city of Nakhichevan-on-Don in the late 19th - early 20th centuries. Humanities and law research. 2025;12(1):87-92. (In Russ.) https://doi.org/10.37493/2409-1030.2025.1.10