Compared with those who had never smoked and had no airflow limitation, the expression levels of eight miRNAs were significantly reduced in patients with COPD who continue to smoke

Additional files Additional file 1: (download DOCX Cigarette smoking prevalence in Scotland and England/Wales, 20072014 (DOCX 16 kb) Additional file 2: (download DOCX Trends in mean monthly cigarette sales per adult smoker, by pack size, Scotland and England/Wales, 20082015 (DOCX 71 kb) Additional file 3: (download DOCX Trends in mean weekly cigarette sales per adult smoker, by pack size, Scotland and England/Wales, 20112015 (DOCX 77 kb) Rights and permissions Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made
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