title: Hypersensitivity diseases of the lungs due to extrinsic agents.
mesh_terms: D000485:Allergens; D000542:Alveolitis, Extrinsic Allergic / Q000175:diagnosis / Q000209:etiology; D001249:Asthma / Q000209:etiology; D001980:Bronchi / Q000276:immunology; D004802:Eosinophilia / Q000175:diagnosis; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000209:etiology; D006969:Hypersensitivity, Immediate / Q000209:etiology; D008171:Lung Diseases / Q000175:diagnosis / Q000209:etiology*; D012130:Respiratory Hypersensitivity / Q000175:diagnosis / Q000209:etiology*; D013997:Time Factors
chemical_list: D000485:Allergens