Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6241849 | Respiratory Medicine | 2014 | 8 Pages |
Abstract
There was a declining trend in the prevalence of chronic bronchitis which was probably explained by both a decrease in smoking and by other factors.
Related Topics
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Authors
Margit K. Pelkonen, Irma-Leena K. Notkola, Tiina K. Laatikainen, Heikki O. Koskela,