Regional chronic bronchitis.
D000368:Aged; D000402:Airway Obstruction / Q000150:complications; D001991:Bronchitis; D002908:Chronic Disease; D003371:Cough / Q000209:etiology; D004417:Dyspnea / Q000209:etiology; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D009092:Mucous Membrane; D011656:Pulmonary Emphysema / Q000150:complications; D011660:Pulmonary Heart Disease / Q000209:etiology; D012907:Smoking; D013183:Sputum / Q000378:metabolism; D014397:Tuberculosis, Pulmonary / Q000209:etiology