For citations:
Sterlikov S.A., Vasilyeva I.A., Mikhaylova Yu.V., Kudrina V.G., Testov V.V. The New Definition and Epidemiology of Extensive Drug Resistant Tuberculosis in 2020. Tuberculosis and Lung Diseases. 2023;101(2):14-19. (In Russ.) https://doi.org/10.58838/2075-1230-2023-101-2-14-19