What Do You Know About COPD?
Smoking is the main cause of chronic obstructive pulmonary disease (COPD), a serious illness that makes breathing difficult. Take this quiz to find out more about COPD and how to prevent it.
May 24, 2018
Chronic obstructive pulmonary disease: Definition, clinical manifestations, diagnosis, and staging. UpToDate.
Blaivas, Allen J, DO,Sather, Rita, RN