CIGARETTE SMOKING, CHRONIC BRONCHITIS, AND EMPHYSEMA.
D001991:Bronchitis; D029481:Bronchitis, Chronic; D004646:Emphysema; D010336:Pathology; D011656:Pulmonary Emphysema; D012907:Smoking; D013223:Statistics as Topic; D014026:Nicotiana
BRONCHITIS; PATHOLOGY; PULMONARY EMPHYSEMA; SMOKING; STATISTICS