For citations:
Shprykov A.S., Sutyaginа D.A., Dolgovа M.A. Respiratory Tuberculosis in Those over 70 Years of Age: Specific Course of the Disease and Diagnostic Difficulties. Tuberculosis and Lung Diseases. 2021;99(6):39-42. (In Russ.) https://doi.org/10.21292/2075-1230-2021-99-6-39-42