![Improved outcomes in ex-smokers with COPD: a UK primary care observational cohort study | European Respiratory Society Improved outcomes in ex-smokers with COPD: a UK primary care observational cohort study | European Respiratory Society](https://erj.ersjournals.com/content/erj/49/5/1602114/F1.large.jpg?width=800&height=600&carousel=1)
Improved outcomes in ex-smokers with COPD: a UK primary care observational cohort study | European Respiratory Society
![Distribution of smokers, non-smokers and ex-smokers on the basis of... | Download Scientific Diagram Distribution of smokers, non-smokers and ex-smokers on the basis of... | Download Scientific Diagram](https://www.researchgate.net/publication/323775353/figure/fig1/AS:662116893728768@1534872377933/Distribution-of-smokers-non-smokers-and-ex-smokers-on-the-basis-of-severity-Clinical.png)
Distribution of smokers, non-smokers and ex-smokers on the basis of... | Download Scientific Diagram
![Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax](https://thorax.bmj.com/content/thoraxjnl/70/9/822/F1.large.jpg)
Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax
![Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax](https://thorax.bmj.com/content/thoraxjnl/70/9/822/F3.large.jpg)
Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax
![Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax](https://thorax.bmj.com/content/thoraxjnl/70/9/822/F2.large.jpg)
Characteristics of COPD in never-smokers and ever-smokers in the general population: results from the CanCOLD study | Thorax
![Chronic obstructive pulmonary disease in never-smokers: risk factors, pathogenesis, and implications for prevention and treatment - The Lancet Respiratory Medicine Chronic obstructive pulmonary disease in never-smokers: risk factors, pathogenesis, and implications for prevention and treatment - The Lancet Respiratory Medicine](https://www.thelancet.com/cms/attachment/5e7f611e-364d-4b77-978b-05370234f84e/gr1_lrg.jpg)
Chronic obstructive pulmonary disease in never-smokers: risk factors, pathogenesis, and implications for prevention and treatment - The Lancet Respiratory Medicine
![Chronic obstructive pulmonary disease distribution among smokers and... | Download Scientific Diagram Chronic obstructive pulmonary disease distribution among smokers and... | Download Scientific Diagram](https://www.researchgate.net/publication/282464964/figure/fig1/AS:285104456515584@1444985607440/Chronic-obstructive-pulmonary-disease-distribution-among-smokers-and-non-smokers.png)
Chronic obstructive pulmonary disease distribution among smokers and... | Download Scientific Diagram
![Biomedicines | Free Full-Text | Biological and Genetic Mechanisms of COPD, Its Diagnosis, Treatment, and Relationship with Lung Cancer Biomedicines | Free Full-Text | Biological and Genetic Mechanisms of COPD, Its Diagnosis, Treatment, and Relationship with Lung Cancer](https://www.mdpi.com/biomedicines/biomedicines-11-00448/article_deploy/html/images/biomedicines-11-00448-g001.png)