For citations:
Demko IV, Gordeeva NV, Kraposhina AY, Mamaeva MG, Soloveva IA. Experience of using double bronchodilation therapy in patients with COPD. Meditsinskiy sovet = Medical Council. 2020;(21):90-95. (In Russ.) https://doi.org/10.21518/2079-701X-2020-21-90-95