title: Editorial: Extrinsic allergic alveolitis.
mesh_terms: D000818:Animals; D010856:Columbidae / Q000276:immunology; D005203:Farmer's Lung / Q000175:diagnosis / Q000276:immunology; D006801:Humans; D008213:Lymphocyte Activation; D011234:Precipitins / Q000032:analysis; D011650:Pulmonary Alveoli / Q000276:immunology*; D012130:Respiratory Hypersensitivity / Q000276:immunology*
chemical_list: D011234:Precipitins