For citations:
Struchkov P.V., Borisova O.E., Ivanushkina A.V., Tseka O.S., Potemkin A.V., Tseka E.O., Manichev I.A., Shcherbitsky V.G. An importance of capnography in smokers and in patients with early stage chronic obstructive pulmonary disease. PULMONOLOGIYA. 2015;25(2):167-174. (In Russ.) https://doi.org/10.18093/0869-0189-2015-25-2-167-174