Chronic respiratory disease in the aged.
D000941:Antigens; D001249:Asthma; D001688:Biological Products; D001987:Bronchiectasis; D001991:Bronchitis; D002908:Chronic Disease; D006801:Humans; D011656:Pulmonary Emphysema
D000941:Antigens; D001688:Biological Products
ANTIGENS; ASTHMA; BIOLOGICAL PRODUCTS; BRONCHIECTASIS; BRONCHITIS; PULMONARY EMPHYSEMA