O. V. Tereshkina, “The first sanitary doctor in Tula, P.P. Belousov: n the history of the field of hygiene in medicine in the late 19th century”, HOM, vol. 4, no. 2, Apr. 2017, Accessed: Sep. 27, 2024. [Online]. Available: http://13.200.237.241/HOM/index.php/medicine/article/view/168