title: Emphysema + bronchitis = disaster. The course of severe COPD.
mesh_terms: D001991:Bronchitis / Q000503:physiopathology* / Q000534:rehabilitation; D002908:Chronic Disease; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology* / Q000534:rehabilitation; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000503:physiopathology* / Q000534:rehabilitation