[Recent progress in the study of respiratory tract diseases].
D000397:Air Pollution; D001249:Asthma / Q000175:diagnosis / Q000628:therapy; D001991:Bronchitis / Q000175:diagnosis; D006801:Humans; D008168:Lung / Q000378:metabolism; D008171:Lung Diseases / Q000209:etiology; D008175:Lung Neoplasms / Q000175:diagnosis / Q000628:therapy; D011656:Pulmonary Emphysema / Q000175:diagnosis; D012140:Respiratory Tract Diseases; D012141:Respiratory Tract Infections; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy