For citations:
Shpagina L.A., Voevoda M.I., Bobrov S.V., Maksimov V.N., Orlov P.S., Shpagin I.S., Gerasimenko O.N., Pospelova T.I. Clinical, functional and molecular features of chronic obstructive pulmonary disease in patients with high occupational risk. PULMONOLOGIYA. 2012;(4):78-84. (In Russ.) https://doi.org/10.18093/0869-0189-2012-0-4-78-84