For citations:

Kharchenko V.V., Mantulina L.A., Nikishina E.I., Bakhmet A.A., Klochkova S.V. Mucosal status of healthy tracheobronchial tree in middle-aged people. Kursk Scientific and Practical Bulletin "Man and His Health". 2016;(3):89-99. (In Russ.) https://doi.org/10.21626/vestnik/2016-3/14