V. N. Tregubov, N. V. Ekkert, and V. V. Mikhailovsky, “ The history of residency training of healthcare leaders”, HOM, vol. 7, no. 2, Apr. 2021, Accessed: Sep. 27, 2024. [Online]. Available: https://historymedjournal.com/HOM/index.php/medicine/article/view/285