Definitions in chronic obstructive lung disease.
D001249:Asthma / Q000145:classification; D001987:Bronchiectasis / Q000145:classification; D001991:Bronchitis / Q000145:classification; D002908:Chronic Disease; D006801:Humans; D008171:Lung Diseases / Q000145:classification*; D008173:Lung Diseases, Obstructive / Q000145:classification; D011656:Pulmonary Emphysema / Q000145:classification