title: Hypersensitivity pneumonitis.
mesh_terms: D000542:Alveolitis, Extrinsic Allergic / Q000175:diagnosis / Q000209:etiology / Q000276:immunology / Q000628:therapy; D000941:Antigens; D004391:Dust; D006801:Humans
chemical_list: D000941:Antigens; D004391:Dust