Chronic obstructive lung disease.
D001249:Asthma / Q000150:complications; D001993:Bronchodilator Agents / Q000627:therapeutic use; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D012907:Smoking; D013147:Spirometry
D001993:Bronchodilator Agents