from West Des Moines, IA
Dr. Vandivier discusses the main cause of COPD in the U.S.smoking... ...
Learn about the four stages of chronic obstructive pulmonary disease (...
Chronic obstructive pulmonary disease (COPD) has a few common symptoms...
Dr. Vandivier explains that chronic obstructive pulmonary disease (COP...
Dedicated to my friend, John Carlton Young.