For citations:
Aisanov Z.R., Avdeev S.N., Arkhipov V.V., Belevskiy A.S., Leshchenko I.V., Ovcharenko S.I., Shmelev E.I., Chuchalin A.G. National clinical guidelines on diagnosis and treatment of chronic obstructive pulmonary disease: a clinical decision-making algorithm. PULMONOLOGIYA. 2017;27(1):13-20. (In Russ.) https://doi.org/10.18093/0869-0189-2017-27-1-13-20