A quantitative study of the relationship between chronic bronchitis, emphysema and smoking.
D000328:Adult; D000368:Aged; D001344:Autopsy; D001980:Bronchi / Q000473:pathology; D001991:Bronchitis / Q000209:etiology* / Q000473:pathology; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008168:Lung / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000209:etiology* / Q000473:pathology; D012907:Smoking / Q000150:complications* / Q000473:pathology