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* ''Baseline e-cigarette use did not increase the odds of having functionally important respiratory symptoms at follow-up regardless of combustible tobacco use status.''<br /> | * ''Baseline e-cigarette use did not increase the odds of having functionally important respiratory symptoms at follow-up regardless of combustible tobacco use status.''<br /> | ||
Click on the category link below for more studies by topic on ENDS and Nicotine. | Click on the category link below for more studies by topic on ENDS and Nicotine. | ||
[[Category:Studies, Surveys, and Papers]] | [[Category:Studies, Surveys, and Papers]] | ||
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