![](/img/cover-not-exists.png)
Prevalence characteristics of COPD in never smokers
Bakr, Ramadan M., Elmahallawy, Ibrahim I.Volume:
61
Language:
english
Journal:
Egyptian Journal of Chest Diseases and Tuberculosis
DOI:
10.1016/j.ejcdt.2012.10.035
Date:
July, 2012
File:
PDF, 311 KB
english, 2012