Кутумова, Ольга, & Татьяна Владимировна Россиева. " The analysis of work of health centers of the Siberian federal district and ways to improve the efficiency of their operations." Sibirskij Medicinskij Zurnal (Irkutsk) = Siberian Medical Journal (Irkutsk) 16+ [Online], 148.1 (2017): 27-30. Web. 2 Jan. 2026