For citations:
Aksenova V.A., Klevno N.I., Kavtarashvili S.M. A tuberculosis infection focus and its value in the development of tuberculosis in children. Tuberculosis and Lung Diseases. 2015;(1):19-24. (In Russ.) https://doi.org/10.21292/2075-1230-2015-0-1-19-24