V. Tereshkina O. 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 [Internet]. 2017 Apr. 30 [cited 2024 Dec. 4];4(2). Available from: https://historymedjournal.com/HOM/index.php/medicine/article/view/168