For citations:
Babarskov E.V., Stepanov E.V., Shulagin Yu.A., Cherniak A.V., Aisanov Z.R., Chuchalin A.G. . PULMONOLOGIYA. 2013;(3):56-61. (In Russ.) https://doi.org/10.18093/0869-0189-2013-0-3-56-61
Babarskov E.V., Stepanov E.V., Shulagin Yu.A., Cherniak A.V., Aisanov Z.R., Chuchalin A.G. . PULMONOLOGIYA. 2013;(3):56-61. (In Russ.) https://doi.org/10.18093/0869-0189-2013-0-3-56-61