For citations:
Ignatova G.L., Antonov V.N., Rodionova O.V., Grebneva I.V., Bel'sner M.S. Evaluation of quality of life and prognostic scales in patients with chronic obstructive pulmonary disease. PULMONOLOGIYA. 2016;26(4):473-480. (In Russ.) https://doi.org/10.18093/0869-0189-2016-26-4-473-480