For citations:

Marchenkov Ya.V., Pashkova T.L., Chuchalin A.G., Sinitsin V.E. Functional evaluation of trachea in patients with COPD. PULMONOLOGIYA. 2005;(3):69-75. (In Russ.) https://doi.org/10.18093/0869-0189-2005-0-3-69-75