For citations:
Belevskiy A.S., Avdeev S.N., Leshchenko I.V., Aisanov Z.R. Challenges in diagnosing chronic obstructive pulmonary disease in real-word clinical practice: position paper. PULMONOLOGIYA. 2026;36(4):559-566. (In Russ.) https://doi.org/10.18093/0869-0189-2026-36-4-559-566
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