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I. Leshchenko

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Open access Oct 2026

Chronic bronchitis: a retrospective analysis (own data)

The global prevalence of chronic bronchitis (CB) ranges from 3.4% to 22%, while it ranges from 10% to 20% in the Russian Federation. These variations reflect differences in definitions and the association with the chronic obstructive pulmonary disease (COPD) phenotype. Among patients with COPD, the frequency of CB reac...

I. Leshchenko, А. N. (Mikheev) · 0 citations

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