Immunological aspects of respiratory disease.
D001228:Aspergillosis / Q000276:immunology*; D005203:Farmer's Lung / Q000276:immunology*; D006801:Humans; D006968:Hypersensitivity, Delayed; D012130:Respiratory Hypersensitivity / Q000276:immunology*; D012141:Respiratory Tract Infections / Q000276:immunology*