Clinical, radiologic, and induced sputum features of chronic obstructive pulmonary disease in nonsmokers: a descriptive study.
Epidemiologic studies show that 5-12% of subjects with chronic obstructive pulmonary disease (COPD) are nonsmokers. Little is known about the pathophysiology of the fixed airflow obstruction in these subjects. We have prospectively identified 25 patients with COPD who had never smoked or had a less...
Main Authors: | , , , , , , , |
---|---|
Format: | Journal article |
Language: | English |
Published: |
2002
|